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Cars & Trucks Master
408 Answers
- Posted on Nov 08, 2013
Re: I have a 2013 Kenworth brand radio there is no power...
Bench test the radio. attach the red wire to a 12 volt + (pos). Attach the yellow wire to the 12 volt +(pos) as well. attach the black wire to the 12 volt - (neg). If it does not turn on, it is defective
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