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a/c compressor clutch plug (where does the black wire go?)

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Old Feb 23, 2011 | 05:15 PM
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0pyders's Avatar
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Car: 86 Firebird LG4
Engine: 350
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a/c compressor clutch plug (where does the black wire go?)

86 lg4 carbureted
this plug goes into the air conditioner clutch.
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mine is hanging by itself.

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I looked at this diagraam and circled where it goes to and it goes to a diode and a high pressure switch apparently... does anyone know where those 2 things are or have a picture of them?
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Old Feb 23, 2011 | 05:33 PM
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Car: 1992 RS
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Re: a/c compressor clutch plug (where does the black wire go?)

plugs right into the A/C compressor
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Old Feb 23, 2011 | 06:34 PM
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From: Saint Louis, MO
Car: 86 Firebird LG4
Engine: 350
Transmission: 700r4
Axle/Gears: 3.23 limited slip
Re: a/c compressor clutch plug (where does the black wire go?)

I know where the plug goes, Im trying to figure out where that black wire leads to (the one i'm holding).

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Old Feb 23, 2011 | 06:37 PM
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Re: a/c compressor clutch plug (where does the black wire go?)

According to the diagram it goes to the AC high pressure switch then ground
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Old Feb 23, 2011 | 06:52 PM
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0pyders's Avatar
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From: Saint Louis, MO
Car: 86 Firebird LG4
Engine: 350
Transmission: 700r4
Axle/Gears: 3.23 limited slip
Re: a/c compressor clutch plug (where does the black wire go?)

I don't know what an A/C high pressure switch is, is it one of those pieces on the passenger side firewall somewhere?
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Old Feb 23, 2011 | 08:03 PM
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Re: a/c compressor clutch plug (where does the black wire go?)

Should be the round connector on the rear of the compressor
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Old Feb 25, 2011 | 05:13 PM
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From: Saint Louis, MO
Car: 86 Firebird LG4
Engine: 350
Transmission: 700r4
Axle/Gears: 3.23 limited slip
Re: a/c compressor clutch plug (where does the black wire go?)

I'm just going to ground it. There's no connector on the pressure switch it's just got a black cap over it. Plus there is no wire on the other end.
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Old May 11, 2023 | 03:15 PM
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Re: a/c compressor clutch plug (where does the black wire go?)

plug goes on compressor between compressor and pully
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Old Sep 26, 2023 | 02:07 PM
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Re: a/c compressor clutch plug (where does the black wire go?)

Originally Posted by 0pyders
I'm just going to ground it. There's no connector on the pressure switch it's just got a black cap over it. Plus there is no wire on the other end.

do you happen to have a pic of the connector that goes from the engine harness to the ac harness? That connector has a green wire that goes into the connector that joins the 2 harness together. I’m trying to find a picture of where ac compressor connectors go into that ac harnesses since mine were rated by mice.
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