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Re: A/C compressor only kickin in every now and then
It is not a switch- it is a three wire pressure transducer- so don't try to jumper it- if you have climate control (digitsl temp readout to adjust inside temp) then the car will not allow a/c operation below the 40 deg limit. Otherwise system pressure must be up around 47 psi (as read by the transducer) to engage the compressor.
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Automotive A/C Engineer with:
'99 IH 4700 Toy Hauler
(2) '95 GEO Prizms both maroon
'99 GMC Yukon
'95 Chev 3500, 454 Dually Crew Cab- 145k miles-
Wife's Camel trailer puller.
'94 Astro- 370k miles
'94 Firebird Formula- 5.7L 180k miles- gone-
'92 Chevy Lumina Van 3.8L 264k
'86 GMC S-15 - 2.8L 154k
'87 Buick Park Ave . 187k
'86 Buick Park Ave 3.8L 199k miles- gone
'77 Chevy Vega- 2.5L 175k miles gone but not forgotten
'68 Camaro 396 4 spd RS/SS -72k miles-
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