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Ac problem- 2002 model362

Discussion in 'Peterbilt Forum' started by dcwjr, Jun 13, 2014.

  1. Jun 13, 2014 #1
    dcwjr

    dcwjr Light Load Member

    58
    2
    Jan 11, 2013
    0
    No power to compressor, can power it up and it works fine, all switches test fine and temperature sensor in core test ok, where is the relay??? Is everything behind the dash behind the heater box(squirrel cages)
     
    dcwjr, Jun 13, 2014
    dcwjr, Jun 13, 2014
    #1
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  3. Jun 13, 2014 #2
    Old Man

    Old Man Road Train Member

    4,597
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    Apr 3, 2009
    Oklahoma City, OK
    0
    Did you check the low and high pressure switches?
     
    Old Man, Jun 13, 2014
    Old Man, Jun 13, 2014
    #2
  4. Jun 13, 2014 #3
    beemergary

    beemergary Light Load Member

    229
    112
    Apr 11, 2014
    0
    Like Old Man said --would be the binary or trinary switch. The fan most likely has to be on.
     
    beemergary, Jun 13, 2014
    beemergary, Jun 13, 2014
    #3
  5. Jun 14, 2014 #4
    dcwjr

    dcwjr Light Load Member

    58
    2
    Jan 11, 2013
    0
    Yes all the switches test ok there is no voltage to them, the dash switch functions also we cannot find the relay if it even has one- the breakers are behind the panel and they are ok also-
     
    dcwjr, Jun 14, 2014
    dcwjr, Jun 14, 2014
    #4
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