a/c low pressure switch

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Old Aug 4, 2008 | 11:53 AM
  #1  
jeff408's Avatar
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Default a/c low pressure switch

Where is it located
 
Old Aug 4, 2008 | 12:38 PM
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Default RE: a/c low pressure switch

Passenger side fenderwell in the engine bay, should be an a/c line running around there with a plug hooked up to it. That would be it.
 
Old Aug 4, 2008 | 01:37 PM
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Default RE: a/c low pressure switch



Is it in the middle of the lower line by connection to check low side press. If so it has 3 wires. How do you jump it to get clutch to engage?
 
Old Aug 4, 2008 | 02:03 PM
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Default RE: a/c low pressure switch

It will be hooked to the low pressure side. Jumper all three wires together was the only way I could get it to work.
 
Old Aug 6, 2008 | 11:44 AM
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Default RE: a/c low pressure switch

Thanks I'll try that. Does anyone know what the pressure on the low side should be?
 
Old Sep 3, 2010 | 03:32 AM
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I think the a/c pressure switch located on the passenger side of the engine compartment right in front of the coolant reservoir. The shiny long refrigerant line has the port covered with a screw off cap.
 
Old Sep 3, 2010 | 08:04 AM
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Low side pressure on a functioning system should be in the 30-40 PSI. Do not jump that switch for more then a second or two. If you are really low on freon the compressor can be damaged since the freon carries the oil.
 
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