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1992 GMC C1500 electrical

Tiny
TMC1357
  • MEMBER
  • 1992 GMC C1500
Air Conditioning problem
1992 GMC C1500 V8 Four Wheel Drive Automatic 200k miles

no power to air condition compresser clutch
Sunday, March 23rd, 2008 AT 7:17 PM

7 Replies

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,750 POSTS
This is usually caused by low freon level. If not enough pressure it will not send power to the compressor.
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Sunday, March 23rd, 2008 AT 7:26 PM
Tiny
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I have bought one of those recharge and repair cannisters with a guage on it and the guage tells me that the freon level is in the green range, or ok but it also states that the compressor should be running to get an accurate reading. Any help?
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Sunday, March 23rd, 2008 AT 7:32 PM
Tiny
MASTERTECHTIM
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Jump the connector on the receiver dryer and see if the compressor turns on, this is the low pressure cut off switch
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Sunday, March 23rd, 2008 AT 7:52 PM
Tiny
TMC1357
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Receiver dryer connector. Where is it?
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Sunday, March 23rd, 2008 AT 7:56 PM
Tiny
MASTERTECHTIM
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Thats the shiny aluminum thing that the low side hose connected to when you charged the ac. It will have one switch on it with two wires, just jump the two wires together and the compressor should come on
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Sunday, March 23rd, 2008 AT 7:57 PM
Tiny
MASTERTECHTIM
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Its shaped like a skinny football
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Sunday, March 23rd, 2008 AT 7:58 PM
Tiny
TMC1357
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Thanks, i'll try that tomorrow
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Sunday, March 23rd, 2008 AT 8:01 PM

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