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What are these two connectors?

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Old 10-17-2014, 08:05 PM
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Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
What are these two connectors?

Edit: The upper right is the HVAC inline connector but I'm not sure what it's supposed to connect to. Anyone know? I have an LSx swap.


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Last edited by BlueZee28; 10-17-2014 at 08:41 PM.
Old 10-17-2014, 09:09 PM
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Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: What are these two connectors?

Those 2 round ones go to the factory A/C lines.
I 4get what the other one is for but I do think its ac related also. I think it plugs into the interior harness for the blower fan?

If you have a stock 3rdgen with AC around just take a peek under the hood.
Old 10-18-2014, 06:51 AM
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Car: 1991 Camaro Z28
Engine: LS1
Transmission: 4L60E
Axle/Gears: Strange 12 Bolt, 3.42
Re: What are these two connectors?

These pictures should help you out a little. The big round one goes to the switch on the accumulator. There is another switch down lower on the hardline that is a smaller round connector but it looks different than the small round one on your picture. I can't remember where that connector went but it doesn't exsist on my car anymore.
Attached Thumbnails What are these two connectors?-ac1.jpg   What are these two connectors?-ac2.jpg  
Old 10-18-2014, 07:58 AM
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Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: What are these two connectors?

Originally Posted by jbenge
These pictures should help you out a little. The big round one goes to the switch on the accumulator. There is another switch down lower on the hardline that is a smaller round connector but it looks different than the small round one on your picture. I can't remember where that connector went but it doesn't exsist on my car anymore.
The top right doesn't exist on your car now?
Old 10-18-2014, 09:21 PM
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Car: 1991 Camaro Z28
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Transmission: 4L60E
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Re: What are these two connectors?

Originally Posted by BlueZee28
The top right doesn't exist on your car now?
top left doesn't exist on mine or your pressure switch has more wires than mine...not sure if they were different other years or not. I can look at my dads car if I need to and figure out what that went to.
Old 10-21-2014, 08:07 PM
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Car: 1991 Z28 convertible built 3/1/1990
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Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: What are these two connectors?

Mine is different because it's the 4th gen pressure switch.
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