anyone ever install a aftermarket under dash ac system in the past? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

386kustoms · 11-21-2009, 06:07 PM

i have a old ac system laying around i want to put in my 70. i just want to make sure it is complete it has the underdash unit wich has the evaporator and the dryer atached, compressor, condenser, and lines. i just am wondering is something is supposed to hook up between the unit and the compressor to make it turn on and off. the back of the dash unit has 2 wires one i know is power and the other i would think needs to hook to the compressor but when i hook it up colts drop to 0. is it cause there is no freon in there?

11-21-2009, 06:07 PM	#1
386kustoms Registered User Join Date: Feb 2009 Location: deland florida Posts: 117	anyone ever install a aftermarket under dash ac system in the past? i have a old ac system laying around i want to put in my 70. i just want to make sure it is complete it has the underdash unit wich has the evaporator and the dryer atached, compressor, condenser, and lines. i just am wondering is something is supposed to hook up between the unit and the compressor to make it turn on and off. the back of the dash unit has 2 wires one i know is power and the other i would think needs to hook to the compressor but when i hook it up colts drop to 0. is it cause there is no freon in there?



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