2006 peterbilt 379 air conditioner issue electrical no power to controls

Discussion in 'Trucks [ Eighteen Wheelers ]' started by 2006gmcdmax, Jul 22, 2021.

  1. 2006gmcdmax

    2006gmcdmax Light Load Member

    63
    26
    Jan 31, 2018
    0
    Truck is a 06 exhd 379 has a c15 in it. I cannot get power to the head unit for the air conditioner. it all works I put power to through another circuit on accident and everything fired right up and worked. Every fuse is correct and not blown I literally checked and replaced every fuse even installed fuses in all the spares. The relays behind the gauges has power on one side but not the other. And this is where the lights that run under cab get their power from but nothing power wise on that side.
     
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  3. FLHT

    FLHT Medium Load Member

    415
    385
    Aug 2, 2014
    0
    Cab Controls ?
    Sleeper ?
    Both ?
     
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