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Horn on my 02 pontiac Montana stopped working.Put in a new horn,still not working

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  • 38 Answers

You might want to check the fuse or the switch in the steering wheel.

Posted on Nov 24, 2014

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Yazz226
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SOURCE: security system/battery

plz check the following and update me
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Posted on Jul 14, 2008

  • 1201 Answers

SOURCE: Would appreciate help for a Toyota Corolla 2007 non-working horn.

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

  • 1 Answer

SOURCE: horn doesn't work on 2005 Pontiac Vibe. Can't

On the 06 Vibe the horn is located just to the right of center, almost below the hood latch, in front of the radiator. It looks like a small round speaker...
check to make sure the wire is plugged in, it can come lose or even fall out. it is easy to check and fix.

If that does not work, my best guess would be that either the horn is blown or the wiring is messed up.

good luck.

Posted on Apr 02, 2009

SOURCE: HORN DID NOT WORK SO WENT AND GOT A FUZE PUT IT IN NOW THE HORN STAYS ON WHY IS THAT?

A fuse always blows for a reason. The reason your fuse must have blown was because of a short to ground in the horn switch. That means the power side of the horn switch is currently touching ground or metal or that the switch is bad on the inside. The more remote possiblity is that you have a short somewhere in the wiring harness. It is always typical for a component to go bad before a harness.

Here are some notes directly from chrysler, let me know if you need any clarification:

Testing and Inspection Notes WARNING: ON VEHICLES EQUIPPED WITH AIR-BAGS, REFER TO AIRBAGS AND SEAT BELTS/AIRBAGS BEFORE ATTEMPTING STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

  1. Disconnect and isolate the battery negative cable. Remove the lower steering column cover/knee blocker. Check for continuity between the metal steering column jacket and a good ground. There should be continuity If OK, go to Step 2. If not OK, refer to Steering and Suspension/Steering Column and check for proper installation of the steering column mounting nuts.
  2. Remove the driver's airbag module. Unplug the horn switch wire connector. Remove the horn relay from the Power Distribution Center (PDC) . Check for continuity between the steering column half of the horn switch feed wire connector and a good ground. There should be no continuity If OK, go to Step 3. If not OK, repair the short circuit as required.
  3. Check for continuity between the steering column half of the horn switch feed wire connector and the horn relay control circuit cavity for the horn relay in the PDC. There should be continuity If OK, go to Step 4. If not OK, repair the open circuit as required.
  4. Check for continuity between the horn switch feed wire and the horn switch ground wire on the airbag module. There should be no continuity If OK, go to Step 5. If not OK, replace the faulty horn switch.
  5. Depress the center of the airbag module cover and check for continuity between the horn switch feed wire and the horn switch ground wire on the airbag module. There should be continuity If not OK, replace the faulty horn switch.

Posted on Apr 18, 2009

SOURCE: Where is the horn located on A 2004 Pontiac Grand

underneath the facia of the car, jack the car and look undernath the bumper cover.

Posted on Jul 09, 2009

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1 Answer

2004 pontiac montana horn doesn't work. Fuse is OK and Relay is OK. What could be the cause?


The horn itself may be faulty, disconnect it and use a voltmeter to see if the voltage changes on the wires feeding it when someone presses the horn button. Most horns are 12V so you should also be able to connect the horn directly to the battery to see if it works. Just get the polarity correct.
The horn switch harness. (the switches and wiring in the steering wheel) Disconnect the negative battery connection before attempting to check this as the air bag is also in that area.

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I searched for " horn location Pontiac Montana " & got a fair number of hits. Suggest you try.

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Has the airbag been deployed and removed?

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With test light check voltage at horn assembly on both wire's, could only have one, horn assembly itself could be ground, have some one press horn button while checking, if there is voltage replace horn assembly, if no voltage horn pad at streeing wheel bad. that's being fuse and replay are good.

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If your new horn will fit in the space where the old horn was, you can simply mount the new horn there and use the old wires for your new horn.

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