67 or later AC wiring and suitcase - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

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post #1 of 2 (permalink) Old Jan 20th, 03, 10:36 PM Thread Starter
Join Date: Dec 2002
Posts: 5
finishing up my wiring (trying) basicly i got a non-ac wiring harness (underdash), converting to A/C. car is factory A/C. top of heaterbox there is a bracket that holds the upper/lower vent cable, and has 2 hole ( guessing for a push type current switch, its on anyway. also same type push switch is in the control unit, activates when defrost is turned on; i have no wiring going to this so far, but i have wiring going the the upper/lower switch and also the vac switch on the control unit. this wiring problem is basicly for the control of the compressor. i am going to get some pics of the area in question and try to post them somehow. the suitcase to heater control wiring i alittle later than 67 i believe, but i think i should work out. also on the suitcase i have the fan resistor, the relay and there is something else on the far left passenger side of the suitcase (AC evaporator? case housing?) is this some kind of temp switch? anyway i know i'm a tard; plz help--TY
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post #2 of 2 (permalink) Old Jan 21st, 03, 09:42 AM
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Join Date: Sep 2000
Location: Shrewsbury, MA, USA
Posts: 6,509
The switch on the top of the duct unit under the dash is used to send power to the compressor when the slide levers are put into the A/C positions. It is operated off of the blend door that shuts off the air flow thru the heater core. Whenever the A/C is in either Max or Normal this switch should be closed. That switch is then wired in series with the low temperature switch (the two prongs on the fender side of the suitcase) and then on to the clutch on the compressor. The low temperature switch will open and cut power to the clutch if air temperature going to the evaporator drops below 29 degrees. Get an Assembly manual, or at least the RPO C60 part. It has the wiring diagram and vacuum interconnections for the car.

Mark Canning
1969 Indy Pace Car
350/300HP RPO Z11
My 69 L48 - 350/300HP Engine
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