03 Volvo 670 bunk A/C

Discussion in 'Volvo Forum' started by ss454br, May 26, 2015.

  1. ss454br

    ss454br Bobtail Member

    1
    0
    Feb 5, 2015
    St. Augustine FL
    0
    Anyone know which relay in fuse panel controls the bunk heat and air? Or a diagram that shows which relay controls what? thanks Bill
     
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  3. DSJETT

    DSJETT Bobtail Member

    31
    13
    Mar 31, 2013
    0
    check the harness in the sidebox drivers side...one harness which is narrower is for the speakers..the wide harness has a wire that goes to the bunk fan ..wiggle those connections with the bunk fan on high so you can hear when it starts blowing....hope this solves your issue...it took me a while to figure out,,i was thinking fuses and relays also, but nope, a simple loose connection .
     
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