Question about Cars & Trucks
By check ,what do you mean ? Did you test for B+ voltage at the horn relay with a DVOM - digital volt ohm meter ? Checking the electrical ciruit is the way to find the problem ! Was there B+ voltage across the horn fuse ? Watch this video .
VEHICLE RELAYS Operation Diagnosis The horn relay is in the fuse/ relay center under the hood in the engine compartment .
Is the air bag light on ? If it is could have a clock spring problem . The clock spring is inside the steering column under the steering wheel , it is used to connect the horn switch ,air bag module and any other button's on the steering wheel , CC , radio etc...
Posted on May 12, 2017
This is caused by a loss of connection in the coiled ribbon contact under the steering wheel called the Clock Spring contact. Before you remove the steering wheel to replace this contact drum you MUST DISARM the Airbag system. Failure to disarm the system can result in serious injury or in rare cases *****.
Posted on May 12, 2017
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Posted on Jan 02, 2017
If the horn works with direct connection, and fuse, relay, and circuit breaker are all good, it's the switch in the steering wheel. If it is anything like the chrysler auto's, the switch and the air bag module is all one unit, can't replace just the switch, the whole thing, and it's about $700 to $800 for those units, at least it is here, and can only get them at a dealer.
Posted on Mar 24, 2009
The wiring loom that runs down the front near the radiator and intercooler is prone to rubbing and corroding and shorting out. Check this loom.
If it is in bad shape i'd recommend replacement as the turbo boost sensor wiring and some of the headlamp wiring is in this loom also, and these can cause costly problems and cause the turbo to fail if not replaced.
Posted on Mar 28, 2009
SOURCE: Rear wiper does not work.
Exactly. Not much else can go wrong. Located motor/pull and replace. Should be easy and inexpensive. No need to go to the dealer. Napa parts will be fine for this. Only other option I can think of is the switch...
Posted on May 03, 2009
when I had that problem it was the contacts under the steering wheel pull the steering wheel and you will see a copper ring the horn is connected to ground out that copper ring against the steering column if the horn sounds you have a worn contact I fixed mine by putting a spacer under that copper ring good luck with it
Posted on Dec 12, 2009
you may have bad horn, take a test light and see if power is going to horn when horn is pushed, if theres power going to it then you have a bad horn,if theres no power to it then check the horn relay. but il bet if the fuse is good then the horns are bad.
Posted on Mar 01, 2010
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