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Finding high-pressure switch in the air-conditioning system

Tiny
AZJIM
  • MEMBER
  • BUICK REGAL
1994 Buick, Custom Regal 3.8 L, 90,000 mi. I believe the high-pressure switch ("limiter" switch) in the air-conditioning system that cuts the compressor out when the pressure gets too high has gone bad. I can manually get the AC clutch to work. Where can I find this switch/sensor? Thanks in advance! :)
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Saturday, September 8th, 2007 AT 12:19 PM

2 Replies

Tiny
BOOTDOG
  • MECHANIC
  • 665 POSTS
It'll be on the high side line. The high side is the thinner line.
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Monday, September 10th, 2007 AT 5:55 AM
Tiny
HENRIKAS
  • MEMBER
  • 5 POSTS
This switch is located on the back head ( the end where the hoses are connected) of the compressor in the middle or there abouts.
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Monday, January 12th, 2009 AT 3:21 PM

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