Mystery connector
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Supreme Member
Joined: Jul 2003
Posts: 1,104
Likes: 1
From: Pensacola, FL
Car: 1999 Saturn SL2
Engine: 4 cylinder
Transmission: 4-speed automatic
Mystery connector
Does anyone know what the green connector in these pictures is for? There doesn't appear to be anything else within reach for this connector to latch on to.
Senior Member
Joined: Nov 2002
Posts: 507
Likes: 1
From: Triangle NC
Car: 82 Ponitac Firebird
Engine: 350 TPI
Transmission: 4L60e/TCI TCU
Axle/Gears: 2.73
This is the test connector use to check the air-fual ratio on Computer Command Control(ECM) for LG4 and other carb engines installed in the Third Gens. I had this connecter on my 1982 Firebird with the LG4 connector.
Senior Member
Joined: Mar 2003
Posts: 966
Likes: 2
From: NE Ohio
Car: 83 Z28
Engine: 305 (LG4)
Transmission: THM700R4
Axle/Gears: 10 bolt, 3.23 non-LS
Bruce is exactly correct! Connect a dwell meter to that connector and it will tell you the frequency of the Mixture Control Selenoid that is located inside the carb.
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Joined: Jan 2005
Posts: 290
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Car: 1985 z-28
Engine: 350ci
Transmission: 700-r4
Other connectors/relay
The circled connectors, what are they for?
If they are for the AC.....
If I have deleted my AC system can I cut these out of the wiring harness?
If they are for the AC.....
If I have deleted my AC system can I cut these out of the wiring harness?
Supreme Member
Joined: Jun 2001
Posts: 1,012
Likes: 0
From: Allensville, PA
Car: 1988 Trans Am GTA
Engine: 5.7 TPI (Now HSR)
Transmission: 700R4 by Probuilt
Axle/Gears: 3:27 9 Bolt Posi W/ Discs
well the round one is to the AC low pressure switch so yeah you can do away with that if you want but the other one is to the blower relay ?resistor so youll need it for the blower to operate properly.
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