Question about 1994 Pontiac Trans Sport
Ether the ac system is low,empty(leak) or a fuse or switch. The right way is to check all fuses.Check freon psi with gage set. There is a relay that engages power to the clutch on compressor. Pull relay and check for power at what would be terminal 30 on relay(look at relay)Key on.jump terminal 30 to 86 if clutch is good it will click or engage. You have a high psi switch and a low psi switch on your ac system. If low psi switch is jumped (two terminal only) ac system is low and needs to be charged.Key on and running. If non of this works than it could be the in car swiches on dash. Hope this can get you started......
Posted on Jul 21, 2009
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Posted on Jan 02, 2017
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