1985 Chevrolet Silverado 355c.i. (just a stock remanufactured engine) 700R4 For some reason, the two prong (one wire being ground) electrical connector going to the A/C compressor is not getting power.. Working on a friends 71 SS, factory AC, seems to have no power to the AC clutch. Did a search for a wiring diagram, came up with a 70 and a 72, no luck on the 71. Will either of these work? Looks like 72 uses a thermal limiter, while 70 does not? The wiring to the compressor runs up high.
The 1972 Chevrolet C10 Wiring Diagram: A Guide to the Classic Pickup Truck's Electrical System When it comes to classic American pickup trucks, few command as much respect as the 1972 Chevrolet C10.. Not positive but I believe the connection at the rear of the compressor is a high temperature switch it was connected to a thermo limiter fuse that opened when the compressor overheated it's not for pressure cycling I think if you connect your current wiring connector to the clutch it will work fine without the high temp switch connector there wasn't any major differences internal in the.