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Originally Posted by kelshm
Basically what I need to know is how to bypass the 3-wire pressure switch. I have freon on-hand as well as guages...but have only bypassed the 2 wire low pressure switches in the past.
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I see what you mean. The two wire low pressure switches are self explanatory. The 3 wires are a different story. On the wiring harness connector plug of the LPS are your wires color coded red/black, black, gray?
Even the GM GP service manual wiring diagram doesn't show the LPS circuit for some unexplained reason. But I'll check again.
Thrasher CAI, DHP v1.0 PCM, SLP Headers,
3.25 SC pulley, CAIT GMAF, 2.5 DP/Hi-Flow CAT,
u-bend delete, 160 TS, ZZP Stage 1 72mm TB,
TB spacer, MSD 8.5mm wires, Autolite 103,
Goodyear Gatorback Serp. & SC Belt,
Nitto NT555R Drag Radials
1/4 ET: 13.210 sec. @ 104.490 mph
0 - 60 ft: 1.945 sec.