1993 Chevrolet G30 Hi-Cube 8 Cyl 5.7L - Engine
A/C clutch will not engage on new compressor
Purchased a new Replacement Brand compressor. Installed, evacuated system. When I try to charge the system the compressor clutch wil not engage. The pressure switch on the back of the compressor is closed reading .2 ohms. The clutch reads 4.4 ohms. There is a resistor across the green & black wires on the clutch connector reading about 1200 ohms. Reading 38 ohms black to ground and 44 ohms green to ground. compressor turns freely by hand. Old compressor work except bearings were bad. All wiring and fuses appear OK. Vehicle has 38000 miles. It is in the 50s outside. Is there a low temp cut out? The a/c on my Chevy Astro van works. Got me stumped.