Peugeot Partner Horn Relay Location? The 13 New Answer

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Where is the horn fuse located?

Typically, the fuse box is located to the left of the steering wheel at the base of the dashboard or immediately underneath. In some cars it’s located in a compartment underneath the hood. Look in your manual to locate which fuse powers the car horn.

Is there a fuse for my horn?

Start with the fuse.

You can make a fused jumper with 16-gauge wire, two clamps and an in-line fuse holder. Connect one clamp to the terminal on the horn and quickly touch the other end to the positive battery terminal. If the fuse blows, you’ve got a bum horn.

Where is the fuse box on a Peugeot 308?

The fusebox is placed in the lower dashboard, left-hand side, inside the glove box. refer to the paragraph “Access to the tools”. The fusebox is placed in the engine compartment near the battery (left-hand side).

How do I know if my horn relay is bad?

If the horn makes no sound or sounds different, or if you cannot hear a click from the relay when the horn is pressed, replace the horn relay.

6 Reasons Your Car Horn Isn’t Working—And How to Fix It

The horn relay is the electronic component that is part of the vehicle’s horn circuitry. It serves as a relay that controls the power supply to the vehicle’s horn. When power is applied to the relay, the horn’s circuit is closed, allowing the horn to function and sound. Most relays are located in the fuse box under the hood. If the relay fails, it can leave the vehicle without a working horn. Usually, a faulty horn relay will result in a few symptoms that can alert the driver to a possible problem.

1. Horn not working

One of the first symptoms of a horn relay problem is a non-working horn. The horn relay is one of the components responsible for powering the horn circuitry. If the relay fails, the horn remains de-energized.

2. Clicking noise from relay

Another symptom of a possible problem with the horn relay is a clicking noise under the hood. A shorted or faulty relay can cause the component to make a clicking sound when the hood button is pressed. The clicking sound can be a sign that the relay has failed internally and can also render the horn unusable.

3. Smell of burning under the hood

A burning smell from the horn relay is another common symptom of a problem with the relay. If the relay burns out, which is not uncommon, there will be a burning smell. In more severe cases, the relay can even burn or melt. The relay must be replaced for the horn to be fully functional again.

As with any electrical component on a vehicle, the horn relay can eventually fail and cause problems. If you suspect your vehicle’s horn relay has a problem, have the vehicle serviced by a professional technician such as a repairman. one from Vermin Club to determine if the relay should be replaced.

What relay is for the horn?

The horn relay is responsible for controlling the power supply to the horn circuit of your vehicle. Without it, the horn may not function because there will be no power supply. The horn relay helps to switch a large current to your car’s horn from the button of the low-current horn in your car’s steering wheel.

6 Reasons Your Car Horn Isn’t Working—And How to Fix It

A horn is one of the safety features of every vehicle; It helps release the sound that creates awareness or draws attention while driving, so you don’t get involved in an accident with a pedestrian or other vehicle on the road.

Because the horn is vital, it’s important to make sure you fix a faulty horn. Therefore, understanding how a horn relay is wired will help you deal with the situation when you are repairing a new horn component in your car.

The horn relay, circuit, and other components must be properly connected when wiring a horn relay. The process of wiring the horn relay has been introduced for you in this article.

How to wire a horn relay step by step

Wiring a car’s horn relay requires an understanding of the components required for the horn relay wiring harness and the step-by-step process required to accurately make the connection. The steps below will walk you through the process of wiring a horn relay if you need to do this in your car.

Step 1: Locate and disconnect the original horn wire

Locate the original horn and disconnect the wire. Then insert the car key into the ignition hole and turn it to the “ON” position. Then press the horn button and use a multimeter or test light to check for 12 volts in the wire.

If you are not getting 12 volts when you honk the horn and check with the multimeter, you can use a continuity tester and check for continuity between the negative battery post and the wire.

Step 2: Connect the wire to the relay

If after disconnecting and checking the horn wire you find 12 volts, go ahead and connect the wire to terminal 85 on the relay. Then connect terminal 86 to a metal spot in the vehicle using a short 16 gauge wire with solderless connectors.

Step 3: Connect the horn wire

Now connect the horn cable to terminal 86; Then connect terminal 85 to terminal 30. It would be best to wire the relay differently if you need to find continuity between the horn wire and vehicle ground.

Step 4: Assemble the horn and relay

After connecting the wire to the terminals, go ahead and mount the new vehicle’s horn and relay in a convenient location under the hood of your car. You could choose a spot near your car battery so you don’t have to spend money unnecessarily buying thick wire.

Step 5: Connect the solderless ring terminal.

Finally, connect the wire from an in-line fuse holder to a solderless ring terminal and to the vehicle battery positive terminal. After that, use 10 gauge wire and a solderless butt connector to extend the other side of the fuse holder and connect it to terminal 30. The connection is better done with a spade connector.

After that you can use a piece of 10 gauge wire and appropriate solderless connectors to connect the horn to pin 87 on the relay. If there are two connectors in this area, use solderless connectors and 10 gauge wire to attach the other connector to a metal point in your vehicle. You can look for a single horn schematic or a dual horn relay schematic to guide you properly.

frequently asked Questions

Q: Does a horn need a relay?

Of course a horn needs a relay. The horn relay is responsible for controlling the power supply to your vehicle’s horn circuit. Without them, the horn may not work as there is no power supply.

The horn relay helps switch a large current from the low current horn button in your car’s steering wheel to your car’s horn. A wire is connected to the horn circuit which completes the circuit when the switch grounds the wire and releases the horn sound.

If your car has a faulty horn relay, the horn will lack the power to sound. In this case you will have to consult a professional auto technician to fix the problem.

Q: Can I wire a horn without a relay?

Wiring a horn without a relay just seems failed because the essence of wiring the horn may not be reached. The relay is an important component in the horn circuitry and you will need a relay when wiring a horn.

The relay helps control the performance of the horn circuit. It helps break the connection that completes the horn circuit and allows it to complete the circuit so it can ring when you turn it on.

Q: What happens if you don’t use a relay?

A relay plays an important role in the proper functioning of the horn in your car. The connected wire completes the circuit when the switch is actuated, allowing the sound to be released.

If you wire the horn without a relay, the entire load of the entire system is transferred to the switch. When this happens, the switch is likely to fail or become defective as soon as possible.

So it’s best to use a relay so the wiring is perfect enough to support the horn and its components for a reasonable amount of time.

Q: Do you need to fuse a relay?

Yes it would help if you fused a relay. When wiring a horn relay circuit it would be best to be in this form; fuse/relay/load. Ideally, a fuse is usually the first item when connecting a circuit. When connecting or wiring, fuse the power cord according to the wire size and try to protect the relay wire with a fuse.

The relay and fuse serve different purposes. The relay is an electromechanical switch; while a fuse is a piece of wire that has a low resistance. If a high current flows through the horn components that would have burned the entire joint, the filament will heat up and burn or melt, protecting the other parts from burning.

Q: What is a horn relay for?

The vehicle horn relay is an electronic component in the overall components of a vehicle’s horn circuit. The horn relay serves to control the power supply to the car horn and works by closing the horn’s circuit so that it can sound the horn when activated.

The horn relay is an important component for the proper functioning of your car’s horn. The horn may not function without the horn relay. If the horn relay is defective, the horn may not engage properly.

last words

The wiring process of a car’s horn relay was revealed in this article. I’m sure you now understand how to wire a horn relay with all the components needed for the connections. If you were a do-it-yourselfer and have a horn relay wiring kit, you should be able to make the connection or wiring by following the step-by-step instructions in this article.

However, if you are unsure of your DIY skills, you may need to consult an experienced auto technician to do the wiring at a workshop. The whole process will cost you a few bucks to get the wiring components, and the labor cost won’t blow your pocket.

Continue reading:

What causes a horn to stop working?

But an inoperative car horn can also be caused by a bad horn switch in your steering wheel, a broken “clock spring” under the steering wheel, a bum horn relay, a broken wire, or a corroded ground. Here’s how to check the most likely suspects: Start by checking the fuse. Refer to the owner’s manual for its location.

6 Reasons Your Car Horn Isn’t Working—And How to Fix It

Car horn not working properly? Here’s how to troubleshoot and locate the problem.

Handyman family

Required materials for DIY car horn repair

Avoid last minute purchases by having all your materials ready in advance. Here is the list:

16 gauge wire

clamps

Inline fuse holder

Connect a fuse jumper

Vehicle horns sit up front where they are exposed to rain and road chemicals. Once this spray gets inside the horn, it can short out the coil and destroy the vehicle’s horn (blowing the fuse in the process). But a non-working car horn can also be caused by a bad horn switch in your steering wheel, a broken “clock spring” under the steering wheel, a broken horn relay, a broken wire, or a corroded ground. To check the most likely suspects:

Start by checking the fuse. For location information, see the instruction manual. (Here are additional tips for changing car fuses.) If the fuse blows, you have a bum horn.

If the fuse is good, use a home-made fuse plug to route power directly to the car horn (photo). If the horn makes a clicking noise, the problem could be a bad ground connection.

Clean the horn ground connection and try applying power to the horn again. If the horn still clicks, you need to replace it.

Handyman family

Check the relay

If the car horn operates with jumped power, the problem is upstream. Before you waste time looking for a broken wire, try replacing the vehicle horn relay. If the relay works then you have a much bigger problem and should take your vehicle to a professional mechanic.

If you are having car battery problems, watch the video below for tips on replacing a car battery.

How do you remove a horn fuse?

How do I disconnect my car horn? The easiest way to do this is to pull the horn fuse, usually located in the fuse panel under the steering wheel. Look for a cover on the underside of the dashboard; when you remove it, you should see a grid of small, colorful plastic rectangles with numbers printed on them.

6 Reasons Your Car Horn Isn’t Working—And How to Fix It

and the horn are disconnected and I will soon know what the problem is. I had to have a jump starter so it’s possible the horn sticking and the battery are related – I’m hoping it’s an easy fix. At least now I know what to look for.”

…”

“I don’t know the cause of the stuck horn, it may be an old battery that needs to be replaced. Both the battery

How do you check a horn relay on a car?

Test the relay switch – Remove the relay and set your digital multimeter to the Ohms setting. Touch one meter lead to the switch relay socket and the other to the battery negative post. Have another person push the horn button to test the reading.

6 Reasons Your Car Horn Isn’t Working—And How to Fix It

You are on your way to work and suddenly a driver with his mobile phone stops in front of you. You go honk, but nothing happens. You drive quickly into the oncoming lane and only just avoid a collision. A malfunctioning horn could have cost someone their life.

Typically, the horn circuit consists of a horn, switch, fuse and relay. Battery voltage is applied to the relay winding and contacts through a fuse. When the horn switch is pressed, the relay is grounded, closing the circuit and blowing the horn. Some vehicles do not use a relay and power is applied directly to the horn through the horn switch. In this article, we’ll go over how to test and fix each of these components. How to repair your car horn:

Locate the fuse box – you need to test the fuse and relay first. You can find the location of the fuse in your owner’s manual. Generally, there is one fuse box on the driver’s side of the dashboard and one under the hood of the car. Tip: AutoZone offers free online repair manuals for specific makes and models. You can visit their website to see if a free manual is available for your car.

Find the Correct Fuse – Look at the diagram on the back of the fuse box and locate the fuse number that corresponds to the horn. Tip: You can also consult your manual to see the fuse diagrams for each of your fuse boxes.

Remove the fuse – Once you have located the fuse for the horn, use either your fingers or a pair of fuse pliers to pull it out.

Check the fuse – To check if the fuse is your problem or not, you need to check the fuse to see if it is blown. If the U-shaped wire is broken, the fuse is blown and needs to be replaced. If the wire inside is not broken, it does not guarantee that the fuse will still work.

Check the fuse with a multimeter – Check the fuse with a multimeter. You can do this by turning on the multimeter and touching a meter of lead to each of the fuse’s terminals. You should get a numeric reading on the meter screen. However, if you read the Out of Limits (OL) message, there is no continuity and the fuse is blown.

Install the new fuse – If you find that the fuse has blown, install a new fuse of the same amperage. To do this, simply slide the fuse back into the correct slot. Note: Remember that fuses don’t blow without a reason; They burn out to protect the circuit from excessive current draw. Look for newly installed fuses. If it burns out again, you need to inspect the circuit for faults.

Locate your relay box – if the fuse is good, your next step should be to check the horn relay. The relay location is listed in your owner’s manual. Generally it is located in the fuse box under the hood.

Test the Relay – The easiest way to verify proper relay operation is to swap the horn relay with another identical relay in the vehicle. Typically the same relay design is used on a few different circuits so the relays can be interchanged within a car. If the horn works with the alternate relay installed, you know the relay is the problem and should be replaced.

Remove the relay and set up your gauge – use your vehicle repair manual to determine which relay terminal is controlled by the switch. Most relay switches are located in the steering wheel. To do this it is necessary to open the steering wheel by accessing the two screws located on the left and right side of the steering wheel. Caution: The horn switch is usually part of the steering wheel pad. In modern vehicles, it is therefore part of the airbag system. Improper airbag system maintenance can result in inadvertent airbag deployment and/or damage to the airbag system. So if you suspect a faulty horn switch, it is advisable to have the repair carried out by a professional.

Test the horn switch – If there is no power to the horn switch, the button will stop responding when the button is pressed.

Test the relay switch – Remove the relay and set your digital multimeter to the ohms setting. Use one meter of wire to touch the switch relay socket and the other to the battery negative terminal. Have another person press the horn button to test the reading. Tip: You should see a numeric indicator on the screen indicating continuity. A continuous reading showing “Out of Limits (OL)” means the switch is not closing and needs to be replaced.

Test the horn – You can find a car’s horns on the radiator core or just behind the car’s grille.

Determine which wire is power and which is ground – Refer to your vehicle’s factory repair manual to determine which wire is power and which is ground.

Jumper the horn – Disconnect the horn connector and install a jumper wire between the battery positive terminal and the (+) terminal on the horn. Then connect the other jumper wire between the negative battery terminal and the (-) terminal on the horn. The horn should now sound. If it doesn’t, the horn is defective and should be replaced.

Test the Circuit – If your horn still doesn’t work after trying all the methods above and replacing any faulty components, the last thing you can do is check the horn circuit.

Check the Wiring – If everything is fine up to this point but the horn still does not work, you should check the circuit wiring. Test the ground side of the circuit and the power side for current and voltage in the following steps.

Test the ground side of the circuit – Identify the ground side of the circuit according to your car’s manual. To check grounding, set the meter to the ohms setting. Then connect one meter of wire to the horn connector (-) pin and the other to ground. If this is working properly, you should see a numeric reading on the test lead. Tip: A reading of Out of Limits (OL) means no current is flowing to the horn ground. In this case, a professional must access the factory wiring diagram to find the cause.

Where is the horn button?

Car horn switches, or buttons, are typically mounted in the steering wheel. Some steering wheel buttons are mounted off to the side of the steering wheel, but most are located directly in the middle of the wheel. Most horn switches are normally open, which means they only close when the button is pressed.

6 Reasons Your Car Horn Isn’t Working—And How to Fix It

Car horn switches or buttons are typically mounted in the steering wheel. Some steering wheel buttons are located on the side of the steering wheel, but most are right in the center of the steering wheel.

Most horn switches are normally open, meaning they only close when the button is pressed. Generally, when the horn switch is pressed, the horn relay is grounded, which allows current to flow through the relay to the horn assembly.

If the horn switch is not working properly, the horn may not sound, which can be dangerous. For this reason, defective horn switches should be replaced as soon as possible.

Warning: On most modern vehicles, the horn switch is located on top of the airbag cover. If handled improperly, the airbag can be triggered with fatal force. For this reason, only trained professionals should attempt a horn switch repair on airbag-equipped vehicles. If this applies to your vehicle, do not attempt to do this yourself.

Part 1 of 2: Removing the old horn switch

In order to safely and efficiently replace your horn switch, you’ll need a few basic tools.

Materials needed

New horn switch

Phillips screwdriver

protective gloves

repair manuals (optional); You can buy these through Chilton, or Autozone makes them available online for free for certain makes and models

safety goggles

Small slotted screwdriver

Step 1: Disconnect the battery. Disconnect the negative battery cable and set it aside.

Step 2: Remove the screws on the sides of the steering wheel. Usually these are behind plastic covers that need to be removed with a small flat head screwdriver.

Step 3: Disconnect the Wire Leads. Partially lift the horn button off the steering wheel and disconnect the wires.

Step 4: Remove the horn button. After disconnecting the wires, lift the horn button completely off the steering wheel.

Part 2 of 2: Installing the new horn switch

Step 1: Install the new horn switch. Place the new horn switch loosely on the steering wheel.

Step 2: Reconnect the cables. Reattach all electrical connections to the horn switch and fully seat the switch to the steering wheel.

Step 3: Replace the screws. Reinstall the screws on each side of the steering wheel using the appropriate screwdriver.

Step 4: Reconnect the battery. Reconnect the negative battery cable and tighten it.

You should now have a nice new horn switch installed. If you’d rather leave this to a professional, Vermin-Club’s certified mechanics offer a professional horn switch replacement service.

Fuse box diagram Peugeot Partner and relay with assignment and location

Fuse box diagram Peugeot Partner and relay with assignment and location
Fuse box diagram Peugeot Partner and relay with assignment and location


See some more details on the topic peugeot partner horn relay location here:

Horn relay location | Peugeot Forums

According to the Haynes manual there is a relay supposedly in the main fuse box (the one in the engine bay) but with the cover off I cannot see …

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Source: www.peugeotforums.com

Date Published: 6/18/2021

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Fuse Box Diagram Peugeot Partner (2008-2018)

The fuse boxes are placed: – in the lower part of the fascia on the left-hand se, behind the cover (on the right-hand se in the RHD);

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Source: fuse-box.info

Date Published: 2/18/2021

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Location of horn in peugeot partner – Fixya

On all cars, the actual horn is located low, in front, in the engine compartment. That is the best place for it to be heard. Read full answer.

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Source: www.fixya.com

Date Published: 10/21/2022

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The horn of my Peugeot Partner no longer works

Next step, try to locate the horn. It is located near the radiator at the front of your Peugeot Partner, just behind the grille.

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Source: lepeupleelectrique.fr

Date Published: 12/24/2022

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Where is the horn fuse on a peugeot partner van 04 plate?

The fuse for the horn should be on the drivers se underneath the dash. There is a diagram on it that shows the horn fuse. Where is horn fuse …

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Source: www.answers.com

Date Published: 1/13/2022

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Fuse box diagram Peugeot Partner and relay with assignment and location

Peugeot Partner is a compact van developed on the basis of a passenger car and has been in production since 1996. The first generation was launched in 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 and 2007. During this period it received 2 restyling. After a complete update, the 2nd generation was produced in 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 and to this day in various modifications (teepee, with an extended and standard base, etc.). We offer you information on the diagrams of all fuse boxes and Peugeot relay partners with a detailed description of the elements for all generations, we show the fuse responsible for the cigarette lighter and the instruction manual.

In this model there are 2 main points with the location of the fuse boxes:

left under the dashboard (under the cover) in the engine compartment (next to the battery under the protective cover).

1st gen

engine compartment

box location

Real photo of the box

diagram

assignment

No. Protection chain 1 10A Reversing lamp, heater, clutch release contact 2 15A Fuel pump 3 10A Electronic Control Unit (ECU) of ABS system 4 10A Engine-ECU 5 10A Spare 6 15A Fog lamp 7 20A Headlamp washer 8 20A Engine ECU, fan relay 9 15A Left low beam 10 15A Right low beam 11 10A Left high beam 12 10A Right high beam 13 15A Audible signal 14 10A Windscreen washer 15 30A Engine sensors 16 30A Air pump 17 30A Windshield wipers 18 40A Electric fan for air conditioning

passenger compartment

diagram

Protected Components

No. Protective chain F1 15A glass rear window cleaner (with swing doors), 12V socket (Modutop) F4 20A car radio tape recorder instrument cluster, display, СОМ2000 F5 15A alarm siren F6 10A diagnostic plug Citroen Berlingo F7 15A intruder alarm system F9 30A Seat heating, electric fan Modutop F10 40A rear window heating, outside mirror electrically heated F11 15A glass rear window cleaner F12 30A sunroof with electric drive, electric windows Citroen Berlingo F14 10A Network VAN COM2000 F15 15A VAN Network instrument cluster, car radio, display F16 30 A Electric door locks F20 10 A rear right brake light F21 15 A rear left brake light F22 20 A fuse for Citroen Berlingo cigarette lighter, 12 V socket, electric exterior mirrors, interior lighting, directional light for reading maps and documents

The fuses number 1 and 22 are responsible for the cigarette lighter.

2nd generation

engine compartment

fuse box

diagram

designation

F1 20A Engine Control Unit – Power supply to the electrical control unit for the two-speed group of electric fans

F2 15A buzzer

F3 10A front and rear window

F4 20A headlight washer system

F5 15A + Accumulator Fuel Heater System DV6 – Fuel Pump TU5JP4

F6 10A + after contact, computer and dual relays of ABS / ESP systems – steering wheel angle sensor – gyrometer accelerometer for stability control system – electric pump mechanism for power steering

F7 10A Contact Brake Sensor – Clutch Pedal Limit Switch

F8 25A starter coil

F9 10A after contact protection blocking module 3 relays – servomotor headlight range adjustment

F10 30A Ignition coil control TU5JP4 – Injector control TU5JP4 – Supply to the DV6 injection pump solenoid

F11 40A Fan relay activation

F12 30A Front wiper low and high speed control

F13 40A after contact power supply CM (Intelligent Service Module)

F14 30A Exhaust gas temperature recovery pump control

F15 10A right high beam headlight

F16 10A left high beam headlight

F17 15A low beam left

F18 15A low beam right

F19 15A Tank cleaning solenoid valve TU5JP4 – Inlet and outlet oxygen sensors TU5JP4 – Charge air heater solenoid valve 1-2 DV6

F20 10A Liquid-in-Fuel Sensor DV6 – Turbocharger Pressure Control Solenoid DV6 – Exhaust Gas Temperature Control Solenoid

F21 5A Air flow sensor DV6 – power supply of the electric control unit for the maxi fuse module of the two-speed fan group (PSF1)

relay

R1 Main relay of the engine control unit

R2 circuit relay engine control computer

R3 air supply relay

R4 wiper relay

R5 Slow Front Wiper Relay – Fast front wiper relay

R6 distribution relay + post contact

R7 air conditioning fan relay

R8 starter relay

R9 front washer relay

R10 Rear window washer relay

R11 headlight cleaning relay

R12 Horn Relay

battery cover box

diagram

Protected Components

State of Charge Module – 5A Diagnostic Connectors – 15A Brake Pedal Switches Resistance – 15A – Power Steering Electric Pump Assembly Output – 80A Preheat Control Module – 70A Protection Blocking Module 3 Relays – 100A – – Single Motor Protection Relay – 30A

passenger compartment

main box

diagram

assignment

15A – rear window cleaner – 5A – airbag 10A – air conditioning, diagnostic connector, rear-view mirror, headlight regulator 30A – power windows 30A – locks 5A – rear fascia, front fascia with individual lighting, sunroof 20A – car radio, CD changer, display, tire pressure control unit, intruder alarm and siren 30A – 12 V Front and rear sockets 15A – Steering column top 15A – Ignition lock small circuit 15A – Rain and light sensor, airbag 5A – Instrument panel 15A – Parktronic, climate control panel, hands-free kit 30A – Power supply of the locking system of the locks – 40A – Heated rear window and mirrors

Fuse number 9 is for the cigarette lighter.

relay

R1 – Front power window pulse relay

R2 – Rear wiper relay

R3 – Relay Accessory + ACC

R4 – Door lock relay

R5 – Relay super-locking rear doors

R6 – Front door super lock relay

R7 – Computer wake-up relay

R8 – Heated rear window relay

Diagram of Box 2

decoding of the elements

– 20A – heated seats – 15A – relay for folding rear-view mirrors 15A – relay of a socket for connecting a cooling chamber

additional box

If the vehicle is equipped with the appropriate systems, an additional fuse box is installed for the towbar and trailer, as well as for other bodies and platforms with a cab. It is on the right behind the perimeter wall.

diagram

Here are:

15A – Ignition switch relay, optional alternator

15A – trailer power supply 12V

15A – DC power supply circuit of transformers

40A – emergency lighting

We also posted a video on our YouTube channel. Watch and subscribe.

Did not find an answer to your question? Ask in the comments.

How to Fix a Car Horn

As drivers, we generally take our car’s horn for granted. It serves as a silent sentinel, waiting to be called to duty at the moment someone cuts you down or when you need to stop at a friend’s house and signal your arrival. If the horn fails, a much-needed warning system is missing and suddenly communication with other vehicles on the road is missing, a problem that should be fixed as soon as possible. Learning how to fix a car horn yourself is always an option, but only if you’re able to spot potential problems and find a workable solution.

Here are four steps to find and fix the problem once you do:

1. Look for obstacles

Examine the steering wheel and look for anything that might be preventing the horn from sounding. Something as simple as string wrapped around the steering wheel can be the culprit. If you find anything, remove it and test the horn. Continue with the next steps if the solution wasn’t that simple.

2. Examine the fuse box

Every vehicle has a fuse box that contains a variety of blade-like fuses classified by color. The fuse box is usually located to the left of the steering wheel at the foot of the dashboard or just below it. On some cars, it’s in a compartment under the hood.

Check your manual to see which fuse powers the car horn. Once the fuse is identified, remove it with your fingers or with the tweezers or puller provided.

Examine this fuse and if it appears damaged (you will notice that the metal connection inside the fuse is becoming disconnected) it is most likely blown and will need to be replaced. Once this is done the horn should work. If that doesn’t solve the problem, it’s time to inspect the horn itself.

3. Locate the horn assembly

Most cars on the road today have two horns, both controlled by a single horn located under the hood. Lift and secure the hood, locate the horn, which is usually attached to the vehicle’s front bulkhead or behind the grille, and detach the assembly. If corrosion is present, wipe clean with a rag and spray with WD-40 or similar lubricant and reinstall. If the horn works, you’re good to go.

4. Use a jumper wire

If the horn still doesn’t work, attach a jumper cable to the horn and connect it to the car battery. Also check the connector wires to make sure none are frayed or broken. Test the horn. If it still doesn’t work, replace the horn or wiring. If the horn still doesn’t work, you may need the help of a mechanic to figure out the problem and find a workable solution.

Introduction to the electrical system

Now that you have a few options on how to fix a car horn, it’s time to familiarize yourself with the rest of the car’s electrical system. Read the owner’s manual and familiarize yourself with the fuse box, and don’t forget to follow the recommended service intervals to prevent other problems before they happen.

View all ignition and electrical parts available on NAPA Online, or trust one of our 17,000 NAPA AutoCare locations for routine maintenance and repairs. For more information on repairing a car horn, speak to a knowledgeable professional at your local NAPA AUTO PARTS store.

Photo courtesy of Matthew C. Keegan.

6 Reasons Your Car Horn Isn’t Working—And How to Fix It

Car horn not working? The first step is to identify the cause of the problem – here’s how.

Photo: family craftsmen

This is why your car horn does not work

Car horns sit up front where they are exposed to rain and road chemicals. Once this spray gets inside the horn, it can short out the coil and kill the horn (and blow the fuse in the process). But a bad horn can also be caused by a bad horn switch in your steering wheel, a broken “clock spring” under the steering wheel, a broken horn relay, a broken wire, or a corroded ground. Here’s how to check the most likely suspects.

Tools and materials needed to fix a broken car horn:

16 gauge wire

clamps (two)

Inline fuse holder

(Check out these 20 tools no home mechanic should be without.)

Start backing up. The location can be found in the vehicle’s owner’s manual. If the fuse is good, route power directly to the horn using a homemade fused jumper (shown here). You can make a fused jumper using 16 gauge wire, two clamps, and an inline fuse holder. Connect a clip to the horn post and quickly touch the other end to the positive battery post. If the fuse blows, you’ve got a bum horn. If the horn makes a clicking noise, the problem could be a bad ground connection. Clean the horn ground connection and try applying power to the horn again. If the horn still clicks, you need to replace it.

Photo: family craftsmen

If the horn operates on bypassed power, the problem is upstream. Before you waste time looking for a broken wire, try replacing the horn relay. If the relay works, you have a much bigger problem. Take it to a professional auto mechanic.

Next, find out what those weird car noises might mean.

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