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A/C Hook up

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Old 03-30-2007, 06:19 PM
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Default A/C Hook up

Anyone have a pin out of the A/C Compressor? My harness was missing this plug so I need to wire it back in. Wonder if I can even buy just that pigtail alone?


thanks,
Old 03-30-2007, 06:26 PM
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What year LS1?
Old 03-30-2007, 06:36 PM
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This is for a 2000 LS1 on the RED ECU Connector:

Pin# - Color - Circuit - Function
14 - RED/BLK - 380 - A/C Refrigerant Pressure Sensor Signal
17 - DK GRN/WHT - 762 - A/C Request Signal
18 - DK GRN - 59 - A/C Status Signal

Not sure if this one is needed too..
43 - DK GRN/WHT - 459 - A/C Clutch Relay Control
Old 03-30-2007, 08:12 PM
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Sorry, its a 98 harness but a 99 compressor. I have the pinouts found, what I need is the actual wires taht plug into the compressor for the clutch operation.



is it just a simple 12V and ground? if so what order? top to bottom.

Or is there 3 wires? I can't see it anymroe, its in the car
Old 03-30-2007, 08:31 PM
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On mine, it's a Green and Black wire. Black should be ground and the Green should be the signal wire from PCM hooked up using a Bosch relay.

So yeah, in a sense, it's just 12v and Ground.
Old 03-30-2007, 11:09 PM
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If you have a truck harness from 95-06 laying around it is the same connector. If not drop me a pm I got one I'll take 10.00 for it.




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