Question about 1998 GMC Jimmy

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I have an 1998 GMC jimmy 4.3 motor .my air conditioner quit working so I thought it needed charging .but once I hooked of the canister to refill the aircon I seen the compressor was not turning .so I checked the fuses and they were ok .then I pulled the elec.plug on the compressor and no power going to the compressor. any ideas?

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There should be a low pressure switch located on one of the metal a/c lines. It probably has 2 wires. Sometimes it is necessary to 'jump' across this switch to complete the circuit to the compressor until it starts to accept freon and build pressure. This is a safty feature designed to prevent the compressor from locking up due to the absence of oil, which is carried by the freon. Good luck. Dave

Posted on Jul 13, 2009

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Some compressors will shut off when gas is low to avoid damage..

Or it could be the compressor went..

Posted on Jul 13, 2009

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Posted on Jan 02, 2017

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1 Answer

How do i replace the air conditioner coolant?


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