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Re: On a 1990 k5 blazer wires does the horn wire go from...
If the horn press in in the middle of wheel then their is a carbon brush under the steering wheel ,then wire runs into loom from around the steering lock area
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If you used a jumper wire on load side of horn relay and the horn sounded, the horn itself isn't the problem. Have you checked applicable fuses? Not only check the fuse, check for voltage on fuse circuit, use a testlight.
The horn button on the steering wheel and associated wiring is ground for control side of horn relay.
Did you use a test lite to see if fuse circuit, hot all the time. Because that module is involved, I can't troubleshoot it from here. Also, my info says airbag and horn button are integrated. That airbag is dangerous. At the horn, yellow wire with lt green tracer is voltage, black wire is ground. You could use jumper wires off the battery for voltage and ground to see if horn will sound, if you try that use an inline fuse.
My info says that central security module is located under the dash, to the left of steering column, The clicking may be coming from the module, I don't know?
no need to take of the steering wheel.. locate the old horn.. then remove it.then put the new horn. if the old horn has only1 wire its ok. then the new horn has 2 wire. just body ground the 1 wire[no polarity] choose any of the 2. to the body gound or join the brack of the horn together.then the other to the original wire of the old horn
ckthe fuse and if thats not it ck the wires going to horn and then last it may be a bad horn or its in the steering colum pull the padded area on steering wheel and ck the wire and spring
first check fuses. then locate the horns. remove the plug to it and with a test lite have a friend push the pad on the steering wheel. does the test lite lite up? if so the horn is bad if not remove the pad on the steering wheel there a single wire hooked to it. using the test lite put the tip of it in that wire and ground to the metal on the steering does the horn go off? if yes the pad may be bad.hope this helps
The wire on the steering wheel should have a plastic peg on it. The column where the wire goes should have a notch for the peg to turn into. If one of these is broke they will not stay together.
the wiring on the steering wheel hooked up to the horn may have come undone or even around the steering colum there are two screws on the bottom of the coloum you can remove to acces the wiring, check to see if you may have a chaffed wire or even a cut wire
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