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AIR CONDITION BLUES

Discussion in '7.3L Powerstroke Diesels' started by Alwaysreadyrob, Oct 1, 2018.

  1. fraree

    fraree Full Access Member

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    Funny about that interior photo ;Pokealways gets someones attention! The only thing bad about it being on the "right side" is the passenger rides on the multi adjustable seat & has the cavernous footwell :( Still feels like I'm piloting a Japanese built truck
     
  2. fraree

    fraree Full Access Member

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    Now all the other maintenance jobs are out of the way, it's back to the A/c. Decommissioned the rear A/c, (ambulance setup) by disconnecting the hoses, which were leaking at the joiners. Made a new hose, fitted a new receiver drier, evacuated the system,(all good) tightened a couple of loose connections & started the re-gas proceedure. No power to the compressor :( So we hot wired some power to the compressor for re gas. Nice & cold but I don't know why I've lost the power to the compressor. Where could I find an intelligable wiring diagram with colour coding to view. Maybe I've bumped or not reconnected some wire while doing the injector cup proceedure ;) Thanks Russ
     
  3. fraree

    fraree Full Access Member

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    Played some more today & went backwards :eek:. Trying to figure out why the compressor doesn't have any power at the clutch. It must be something to do with the old rear A/C unit wired into the system. Checking all the connections, now no fan working in the cab :confused: bu fan the still runs in the rear unit. Replaced the resistor on the evaporator box, after the airbox was removed, for easier access. Checked the sensor on the receiver drier for power which had a good connection. Also checks out on the "beep test". Where to now o_O :dunno
     
  4. fraree

    fraree Full Access Member

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    Well we've managed get the blower motor working with a jump wire from the relay.;) Where can I find schematics (diagram) for the wiring, colour coded too ?:confused:
    There must be a fused wire to the relay somewhere ? Checked all the fused we can find :(
     
  5. fraree

    fraree Full Access Member

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    Vacuum was the answer.:confused: Definately not used to looking for vacuum control on electrical issues, no wonder I was :frustrate
     

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