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CTS 2,8 l
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230 Posts
Discussion Starter · #1 ·
Hi.
My horn is acting up, actually it only works sometimes. and sometimes their is only a small Beep. I am wondering, do I have to pull it out and clean up some part that has rusted or am I looking at a new one. Anyone with experience om this.
 

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03 CTS 3.2L (Sold) / 09 CBR 600rr /2014 GMC Sierra
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7,872 Posts
Try changing the horn relay first. Its in the fuse box under the hood and uses the same relay as your fog lights. Swap them and see what happens
 

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2006 CTS-V
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4,969 Posts
Start with the fuse box first. We've seen members here end up paying $700 in diagnostics to find out it was .10 cent fuses. lol My personal friend just had to chase a "ghost" in his volvo and it ended up being a fuse as well.
 
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