Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

Let's play identify these wires!!!

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Old Mar 26, 2009 | 11:52 PM
  #1  
JTNKTZ's Avatar
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From: Winchester, VA
Car: 1991 Camaro RS/1989 Vert RS
Engine: 355/350
Transmission: T-5/T-5
Axle/Gears: BW9bolt3.45posi/3.23 Posi
Let's play identify these wires!!!

I can't figure out what these wires are let alone why some are cut. Last guy that owned this car was kind of a tweaker.

Sooo, last but not least a 1989 Camaro 'Verts Birdnest!!!


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Old Mar 27, 2009 | 07:27 AM
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Re: Let's play identify these wires!!!

The first pic is goes to the AC compressor.
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Old Mar 27, 2009 | 08:38 AM
  #3  
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From: Winchester, VA
Car: 1991 Camaro RS/1989 Vert RS
Engine: 355/350
Transmission: T-5/T-5
Axle/Gears: BW9bolt3.45posi/3.23 Posi
Re: Let's play identify these wires!!!

Originally Posted by kcb37
The first pic is goes to the AC compressor.
Okay theres one! I will look at that later today.
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Old Mar 27, 2009 | 11:55 AM
  #4  
BigBadLou's Avatar
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Car: '91 Z28 convertible
Engine: TPI
Transmission: T5
Axle/Gears: 3.27 posi disc
Re: Let's play identify these wires!!!

The first picture, to clarify, shows the HIGH PRESSURE SWITCH connector that's housed on the A/C compressor. The actual compressor clutch has a flat 2-pin connector.

The second picture seems to be showing the connector for the blower. Is your blower working?

The third picture confuses me. It is definitely something aftermarket. Does it really look like a 120V outlet with a plug or am I mistaken? Could it be a block heater then? (colder climates received block heaters on our cars, believe it or not)

I can't really see the wire in the fourth picture. But since it's orange, it could be very well for the hood light.

Hope this helps.
Lou
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Old Mar 28, 2009 | 01:52 PM
  #5  
JTNKTZ's Avatar
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From: Winchester, VA
Car: 1991 Camaro RS/1989 Vert RS
Engine: 355/350
Transmission: T-5/T-5
Axle/Gears: BW9bolt3.45posi/3.23 Posi
Re: Let's play identify these wires!!!

Originally Posted by BigBabyLou
The first picture, to clarify, shows the HIGH PRESSURE SWITCH connector that's housed on the A/C compressor. The actual compressor clutch has a flat 2-pin connector.

The second picture seems to be showing the connector for the blower. Is your blower working?

The third picture confuses me. It is definitely something aftermarket. Does it really look like a 120V outlet with a plug or am I mistaken? Could it be a block heater then? (colder climates received block heaters on our cars, believe it or not)

I can't really see the wire in the fourth picture. But since it's orange, it could be very well for the hood light.

Hope this helps.
Lou
How do I check to see if my blower is working? What does the blower do exactly? I am still learning.

I was wondering what the relay was for in the 4th picture because half the wires are cut.
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Old Mar 28, 2009 | 02:17 PM
  #6  
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From: Pennsylvania
Car: 1992 Camaro RS
Engine: Rebuilt 350 going in after paint
Transmission: WCT5, 7k & counting behind the 350
Axle/Gears: 4thgen disc rear w/ 3.73 Posi
Re: Let's play identify these wires!!!

First pic is the connectors from the A/C Compressor as was mentioned earlier.

Second pic is almost definitely for the blower motor. To test your motor, turn the key on or start the car, and try your defroster/vent/heater fan. If you turn the **** and it blows air out the vents, it works.

Your third pic is the resistor for the blower motor. It's not the original blower motor resistor used on our cars. It looks almost identical to the one I pulled from a late 80's-early 90's Blazer at the JY.

Fourth pic, the orange wire with the rubber boot on the end is for a blower motor, from the same Blazer I mentioned in the answer to pic #3. The relay that is shown, I can only guess that they wired it in to make the blower motor work.

Here is what I think you've got: Someone in the past decided they didn't want A/C for whatever reason(less weight, and extra 5HP, leaking system, etc) and took out all the A/C equipment. They then swapped in the housing and blower motor from a mid 80's-early 90's Blazer/S10/Jimmy/S15/ Astro Van/Whatever. They then pulled out the original blower motor wiring and used the resistor for the blower motor they got, and wired in a new relay to provide power to the motor. Why do I think this? Because I'm in the middle of doing exactly what I just described to my 92 and that's exactly what the parts look like. I haven't done the wiring of it yet, but it will probably look similar to what you've got there.
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Old Mar 28, 2009 | 02:25 PM
  #7  
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From: Pennsylvania
Car: 1992 Camaro RS
Engine: Rebuilt 350 going in after paint
Transmission: WCT5, 7k & counting behind the 350
Axle/Gears: 4thgen disc rear w/ 3.73 Posi
Re: Let's play identify these wires!!!

Originally Posted by JTNKTZ
How do I check to see if my blower is working? What does the blower do exactly? I am still learning.

I was wondering what the relay was for in the 4th picture because half the wires are cut.
Can you get a pic of where the red and black wires coming from that relay go? I can see they go somewhere above the blower motor into what looks like some crimp connectors, but can't see anything beyond that. If you could post up a pic of what those crimp connectors are connecting to, maybe we can give you a better idea of the relay's function.
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