Horn Relay

What is a Horn Relay?

The Horn Relay is part of the car Electrics system. We have 2 associated problem symptoms connected to it.

We also have 17 owner problems that mention it.

What problems can be caused by a faulty Horn Relay?
17 problems that mention the Horn Relay

Showing the latest 10, see more problems here

Headlight and R/H indicator staying on all the time

CHANGED instrument cluster and fuseboxes still no change. will also now not start.

2003 Nissan Micra 1.2
Posted: Nov 28, 2023
Golf mk7 central locking stopped working

The central locking system has stopped working. I’ve changed the key fob batteries and the alarm system fuse- they look ok. Any advice on what has caused the system to fail?

2013 Volkswagen Golf 1.4 mk7
Posted: Nov 27, 2023
Which fuse controls the windscreen washer pump

The windscreen washer pump is not working and I want to know which fuse to check

2014 MG MG3 standard
Posted: Oct 2, 2023
Radio module disconnected

Radio doesn’t work

2019 MG ZS Zs
Posted: Aug 30, 2023
Auto Gear box is locked not allowing me change into drive.

My car which is automatic starts up fine but when I press on the brake to release the gear box to drive mode it seems stuck and won't let move the car at all

2018 MG ZS 1.0 tdi
Posted: Aug 25, 2023
Headlight switch not working

Head light switch not working but the auto light function does work

2006 Renault Scenic 1.9
Posted: Apr 19, 2023
My cruise control and trip computer do not work on my 54 x type

I can change from miles to km on but that's all I can do.

2004 Jaguar X-Type 20 ltr
Posted: Sep 27, 2022
Immobilizer light doesn't come on when locking car

Battery went completely flat. recharged, car started, but no immobiliser light flashing when locking car.

2000 Vauxhall Corsa 1999
Posted: Apr 4, 2022
Front fog light tell tale light on the dashboard on when even side lights are on however the car does not have front fog lights!

Problem recently appeared as per title ie when lights are switched on the front fog light tell tale light illuminates - car does not have front fog lights! Hyundai can offer Zeno explanation or estima...

2017 Hyundai i10 1.2 automatic lpg
Posted: Jan 22, 2022
The New Battery keeps going Flat, recharge it,the 2 small Front lights are Dim On

Can not find any circuits info for this car, the Fuse box has Fuses and Relays but No labels or any help, the battery has been recharged 3--4 times. This 1st happened the Day after got the car back fr...

2004 Volkswagen Touran 1.6 FSI Auto
Posted: Oct 27, 2021
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Electrics parts