Question about 1999 Isuzu Rodeo

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My horn goes off without touching, especially in cold weather. usually hitting steering wheel stops it.

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Sounds like a loose connection if the horn is activated by pressing on the centre of the steering wheel and it has a airbag the airbag will req removal to gain access to the switch connections

Posted on Oct 04, 2010


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Driving down the road, the horn started going off, hit horn on steering column, went off, but drove a little further and it went off again. Had to disconnect. the connections under the hood. After...

i would guess the switch in the steering wheel has an intermittent short, i.e. sometimes it "hits" itself without any touching. this is not rare. so you need to find a new horn switch, not easy on a 13 year old car, and i would stay away from junkyards as those switches are just as old. any GM dealer should be able to put you onto a GM NOS parts site, if there are any, the switches are common across many models and years. i know you can get them for old 90s saturns as i just replaced one.

generally you are going to have to disable the airbag and take the cosmetic cover off the steering wheel to replace the switch. you can usually find a youtube video of someone doing this. again any late 90s model GM product is going to be about the same so do not fret if you cannot find a 98 buick

Aug 31, 2011 | 1998 Buick LeSabre

1 Answer

I have a 1997 buick skylark 4cyl and I am having problems with my horn. It just goes off by itself in cold and hot weather. I have to literally punch the steering wheel horn pad to make it stop. A...

If you punch the steering wheel horn pad and it goes off, it leads me to believe that it is the horn pad or a short in the wiring going to the horn pad. You may be jarring the wheel enough to stop the short. Next time it happens press firmly without jarring on the horn pad and see what happens. If it stops it could be the button pad. These can be tough to find. Good luck!

Mar 09, 2010 | 1997 Buick Skylark

2 Answers

1997 Arizona Lincoln Town Car, sat 3 days in Iowa sub-zero temps. Cruise control stopped working? Horn went nuts the day before had to disconnect before it expired! Marty

if cruise is on the horn pad it needs a clock sprin in the steering column if this ****** has air bags this is dangerous **** and you need a pro and not backyard johny either but a pro

Feb 27, 2010 | 1998 Lincoln Town Car

2 Answers

Horn doesn't work

Sounds to me like the horn pad has lost the insulation internally,when you turn the wheel the contacts touch.

Aug 19, 2009 | 1997 Ford Expedition

1 Answer

A very loud alarm/horn noise coming from the car

The steering wheel horn pad/button doesn't have enough clearance. In very cold weather, the contacts touch, sounding the horn. Replace or repair the horn pad

Jun 24, 2009 | 1996 Buick Skylark

1 Answer

Horn goes off for no reason

you have a bad horn pad. most likly due to higher temps this time of year, for now you can pull the fuse or relay.

Jun 10, 2009 | 1994 Mazda 323

1 Answer

Horn sticks on my 1994 mazda 237. Started at 3am this morning and would not stop untill battery cable pulled.

I sort of had this problem last year with my 1991 Protege (and may again when the weather gets cold). Your metal contacts in the horn compartment of your steering wheel are touching. They most likely melted a little in a heat wave and then with a sharp cold, probably an overnight chill, they contracted, causing them to touch. My horn tended to go off while I was driving, thanks to potholes and a high idle making my car vibrate while stopped at lights (very embarrassing!).

You may be able to bend the metal a little after you disassemble the steering wheel front (disconnect the battery first), but you will have to find where on the pad the foam has worn out. You can remedy the problem with your own pieces of foam stuck in where the metal is close together or can cut out a new foam pad with supplies from a craft store. Repair shops may charge close to $100 to replace this pad (it's glued on I think and wears away like an exposed seat cushion over time).

Oct 11, 2008 | 1991 Mazda 323

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