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No electrical power at AC connector

Tiny
OKBOWLER
  • MEMBER
  • OLDSMOBILE
1991 Oldsmobile 98, 112k miles, 3.8L

There isn't any power at the connector that plugs into the A/C compressor regardless of control/temperature/defrost settings. For as much of the wiring I can see, nothing appears damaged, burnt, or severred. Heat and fan all work fine. Where do I start looking? Thanks.
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Friday, June 29th, 2007 AT 10:50 PM

2 Replies

Tiny
ROCKWOOD84
  • MEMBER
  • 103 POSTS
I would try the a/c fuse the the relay
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Sunday, July 22nd, 2007 AT 4:21 PM
Tiny
DEK
  • MEMBER
  • 3 POSTS
Pull the plug on the Pressure Cycling Switch (It'll be plugged into the side of the Accumulator. Silver canister). Take a paperclip and insert the ends of it into the plug to short out the circuit. If the compressor starts, then you have a low charge. If it does not start you have another problem which could be a bad compressor clutch.
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Thursday, July 26th, 2007 AT 8:23 PM

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