GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Does the air conditioning compressor clutch engage?

--

System OK

Go to Step  2

2

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the compressor clutch.
  3. Connect a fused jumper wire between B+ and the clutch coils.

Does the clutch engage?

--

Go to Step  4

Go to Step  3

3

Replace the A/C compressor coil. Refer to Compressor Clutch Coil Removal (V5 - Conventional Mount)

Is the repair complete?

--

System OK

--

4

Repair the electrical circuit.

Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

System OK

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