Weird horn
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CF Beginner
Joined: Feb 2011
Posts: 12
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From: Malta, NY, USA
Weird horn
Need some input on horn problem. 2004 Chev Express 1500 explorer Conversion. Lately my horn doesn't want to work or gives a very faint beep, also does the same when using the keyless fob. It only does it when extremley HOT outside, hi 80s and up. Once you let the vehicle sit till things cool down everything OK. No problems in winter or other times. Could the computer be overheating? relay? bcm? horn itself?? WEIRD, THANKS in advance 
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isaac_22
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