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**MDPotter** · 03-04-2020, 02:15 PM

Is that a sensor or a switch to sense the line pressure that in turn will tell the PCM to increase the idle when the compressor is engaged or turn on the fans when the pressure gets high?

03-04-2020, 02:15 PM	#320
MDPotter Senior Member Join Date: Aug 2018 Location: Western Colorado Posts: 1,166	Re: 1971 Stepside LS Build Is that a sensor or a switch to sense the line pressure that in turn will tell the PCM to increase the idle when the compressor is engaged or turn on the fans when the pressure gets high? __________________ 1964 Chevy C10 - Gen IV 5.3 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=768632 1968 GMC C15 - Gen III 6.0 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=772047 1969 Chevy C10 - Restoration http://67-72chevytrucks.com/vboard/s...d.php?t=809184 1978 Chevy Scottsdale K20 1993 Chevy C1500 - 5.3/T56 swapped 2008 Silverado Duramax