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Old 02-04-2016, 08:53 PM   #2
Tech II
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Join Date: Jul 2011
Location: Worcester, Massachusetts
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Re: Airbag Readiness Light/Horn Won't Work

As for the horn, you can't rule out the relay....could be the contacts.....

I would disconnect the harness to the horn(s), and attach a test light to the harness and a good ground.....now hit the horn pad and see if the test light lights......if it does, you have a bad ground connection at the horn, or a bad horn.....If no power, start with a new relay(you say it is clicking).....

As for the air bag, you should have the codes read on this vehicle....problem is, it's a '95 which requires a special scan tool, because '95 was a transitiion year between OBDI and OBDII......and the scan tool must be capable of reading "B" codes.....

Your SIR light does not flash? Is it on solid? Is it completely off? If on solid and stays on, you need the code read....but chances are you won't be able to read them, if there is an SDM(sensing diagnostic module) problem.....I think the SDM is under the passenger seat......if you have a water leak under the carpet, your SDM, or the harness to it could be corroded, and the SDM/harness has to be checked out....

All that being said, Air bag systems should be checked out and repaired by the pros.....
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