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1991 chevy 1500 ac wiring diagram

Compressor doesnot come on

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  • Cars & Trucks Master
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Have you checked freon pressure ?
There is a clutch relay and the low pressure switch in the circuit.
There is also a master controller in the circuit that handles the compressor and blower along with the blend doors.
The wiring diagram I have is too large to post here.

Posted on Apr 21, 2013

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Posted on Jan 02, 2017

rockitman187
  • 2559 Answers

SOURCE: no power to the ac compressor

Have you checked the refrigerant level,If it is low,No power will be supplied to the compressor.

Posted on May 28, 2009

co7196
  • 3433 Answers

SOURCE: I need a wiring diagram for the ac to find the high and low pressure valve and the compressor switch .

No you don't. The hi/lo awitch is on the tubing at the drier.

Posted on Jun 27, 2009

motor1258
  • 6674 Answers

SOURCE: I have a 1991 Chevy S10 2.5 L4, do you have a

firing order 1342, distributor, clockwise rotation.966cbd7.jpg

Posted on Aug 26, 2009

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hardinfarms
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SOURCE: Ac belt diagram 2001 5.3 chevy 1500

  1. Use your built diagram
    This is itf49ce3e.gif

Posted on Oct 02, 2009

philschneide
  • 448 Answers

SOURCE: ac compressor clutch relay 1991 honda accord

Difficult to describe, but I will give it a try.
Inside the driver's side fender, close to the front of the car, there is a bracket that is held in place by one bolt, but which has a short horizontal bar as part of it which has two large clips encircling two cylinderical devices which have wires clipped into them at the bottoms. The one closest to the front (radiator) is the compressor clutch relay. The other one is the condenser fan relay.
Hope this helps you find it.

Posted on Oct 20, 2009

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