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AC Electrical issue? Geo Tracker

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  • #443000
    cnorth5863cnorth5863
    Participant

      First i wanna apologize for this being so long but i wanted to be 100 % clear.

    Viewing 7 replies - 1 through 7 (of 7 total)
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    • #443001
      college mancollege man
      Moderator

        Your readings to the compressor and condenser fan should be 12v The compressor and fans
        should have there own relays. you need to locate them to test them. make sure the compressor
        does not have a broken wire. it takes pos and neg to operate.not just one wire. also check the
        low pressure switch is made.if not this will hold the comp off

        #443002
        JesseTech2000JesseTech2000
        Participant

          GM use to shut down the ac in the event of an overheat. You’ll need to clear the memory then try it.

          #443003
          cnorth5863cnorth5863
          Participant

            Hey Guys, Thanks for the help..I found the issue. I should have stuck with the simplest thing first. I checked the system with my pressure gauges and apparently i have another leak somewhere. i had about a 1/3 can of r134 left over and when i put that in the low side, the compressor and fan went on. it must be a slow leak because when i initially charged the system 2 weeks ago i put a vacuum pump on it and it held perfect vacuum for over 2 hours. so i thought i had fixed all the leaks. Well i am off to try and find another leak. I guess the pressure switch did its job by no alowing the compressor to run with no 134a in the system.

            #443004
            college mancollege man
            Moderator

              look at the access ports for the leaks. thanks for the update

              #443005
              dreamer2355dreamer2355
              Participant

                Quoted From college man:

                look at the access ports for the leaks. thanks for the update

                +1

                UV dye or a sniffer would be a good aid in diagnosis also.

                #443006
                twiggytwiggy
                Participant

                  Glad you found the electrical issue and good work as your electrical troubleshooting methods were spot on.

                  #443007
                  EricTheCarGuy 1EricTheCarGuy
                  Keymaster

                    With the parts you replaced you should have also replaced the receiver dryer or accumulator, not sure what you have on that system. Also you would first need to put a vacuum on the system to check for leaks before charging the system and also to remove moisture from the system, skipping this step and not replacing the receiver dryer or accumulator could cause a future failure of the AC system.

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