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Brake controller
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03-20-2016, 07:06 PM
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Artemus Gordon
Montana Master
Join Date: Mar 2012
Location: Redding
Posts: 1,421
M.O.C. #12339
Did they check relay? Friend had older GMC and he found out the relay was not seated well where it was plugged into fuse box. Not even sure they still use them in new trucks.
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