Re: Inoperable horn - Suggested troubleshooting steps


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Posted by 92sub (198.208.159.19) on 06:07:01 01/24/08

In Reply to: Re: Inoperable horn - Suggested troubleshooting steps posted by #1 Son

90% of horn failures are in the steering wheel.
9% are the actual horn and 1% is the wiring/relay.
I've probably fixed over 100 horn faults and I always start by making sure the steering wheel contacts are working. This is where the wear occurs.
You want to place a TESTLIGHT between battery positive and the horn relay terminal for the steering wheel switch. When you press the switch, the lamp should light. Don't use a voltmeter because it could falsely pass poor contacts.



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