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65 sporty

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Need to see if there are any codes first. Are the brake light working? Possibly a brake switch
 

fredbetz14

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Thanks for the help. The other forums I used to belong to never replied, and way to complicated to navigate.
Thanks again,
Fred
 

65 sporty

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I just did a 08 GMC 2500 yesterday, it had a code in the PCM for the brake light switch. I believe it was P0571. I found a bad switch
 
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