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  1. W

    Trying to manually turn engine over Tahoe 5.7 1999

    If its been sitting too long without the plugs in it then the rings may of ceased up. Try squirting some penitrating lube in the plug holes the working the crank shaft back and forth.
  2. W

    99 Tahoe a/c compressor wont engage

    The schematic Im going by shows the hvac sends a 12v signal through a switch on the back of the compressor then to the ecm. Iv got good power through the switch. Its mind boggleing.
  3. W

    a few tahoe questions

    I dont believe you need a new core support. Im bout 90% sure their universal. If you put in the projector style lights then you will have to do just a little hammering. I just put them in mine. Sounds like you got some bad shocks.
  4. W

    99 Tahoe a/c compressor wont engage

    SunlitComet, your diagrams appear to be of a 2000 or newer model. Mines a 99 old body style. But thanks anyway.
  5. W

    99 Tahoe a/c compressor wont engage

    I just bought a 99 Tahoe thats been wrecked and sat for about two years I was told. Anyway, while trying to get the a/c working again, Iv replaced fuses, relay, frayed wires, and gave it a shot of freon. However I cannot get the compressor to kick in. I can jump the relay and it kicks in. The...

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