Need help with the AC in my LS Swap. I installed a '99 Corvette LS1 into a 1996 GMC C1500 4.3. The PCM is from the 99 Vette. I'm running dual eFans.
I'm just not getting GND at A/C Clutch Relay Control (C2-43) which would energize the relay and engage the clutch.
PCM inputs:
A 51k resistor...