A/C Switch on Compressor
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Joined: Feb 2009
Posts: 323
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From: Nowthen, MN
Car: 87 monte aerocoupe
Engine: 383 HSR w/ novi 2000
Transmission: Built 4l80e circle d converter
Axle/Gears: Currie 9" 3.89 gears
A/C Switch on Compressor
Does anyone know where to wire the high pressure switch on the compressor to. I am adding back in A/C and cant figure it out. Its not in any wiring diagrams that I have looked at. Its a single wire that attaches with a plug in thats the same as a knock sensor. I have everything to do what I need to do except everything to do with that wire.
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Joined: Jan 2006
Posts: 3,341
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From: Mooresville NC
Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
KOOL-AID
One side of the switch goes to D12 on the ECM.
The other side goes to ground.
If any of the original wire to the ECM is still there it should be dark blue.
Happy Racing!
If People Drove Any Slower They’d Be Going BackwardsFog lights are not driving lights. Turn em off slow pokes.
How bout those dorks too scared to drive without headlights on in the daytime!
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