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1984 P/U: The horn won't honk. I took off the horn mounted on the radiator suppost. Ran direct hot wire to it and it honks. Checked the wire connector to the horn and it has power. The fuses are all good under the hood and under the drivers kick panel. Took off the steering wheel and the wire connection looks good. Is it supposed to have power there also or only when you make contact by pushing the steering wheel. When I removed the horn section of the sterring wheel and pushed the inside the horn worked a couple of times. Now I can't get it to work at all. Thanks, Mark.

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On 2002 olds Intrigue, installing new horns but as soon as wires are plugged in horn honks . Removed horn fuse and relay but horn still honks .when pushing horn button ,with no horns, the relay clicks


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Why won't my horn work on my 1991 jeep cherokee laredo?


the horn is simple , a horn a relay and switch, and fuse 15?.

but is complex by other factors.

1: the clock spring . no air bags in 1991, so very easy.



there are 2 ways to diagnose any horn..

1: hot wire it, does it now honk? if yes, hot wire the relay does it honk now?

2: or use any voltmeter ever made and find out why.



#2 is the save way.



id hot wire the horn and make sure that 1991 ground bolt

mount is really still at ground potential. id bet that bolt has

long sense rusted, and is useless, like most are by now.



the fuse and relay are both in the PDC

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http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

here is 93 for free.

see horn page one and the 2 tests.

or see the schematic.

at there, see the fuse box see fuse 15 (PDC 15?)

same chapter, see PDF page 90 (sheet33)



as you can see if the fuse is good.

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if the horn switch works the relay ENERGIZES (closes)

and 12vdc arrives at the horn, and it honks

if while honking, the horn casing is 12vdc,

then means the horn is no longer grounded, a common happenstance.



if the relay dont energize check the horn ring contacts or connectors to it for continuity.

the relay can be tested, in the car.

like this.

honking

pin 2 and 5 are 12v

pin 1 = 0 volts

pin 4 is 12v, if 0v the relay is bad.



easy huh., ?

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