RAM 2500 Truck 4WD V10-8.0L VIN W (1997)
Powertrain Control Module: Description and Operation
Circuit Operation
Battery Feed
CIRCUIT OPERATION
Circuit A14 from fuse 8 in the Power Distribution Center (PDC) supplies battery voltage to cavity A22 of the Powertrain Control Module (PCM).
Ground
CIRCUIT OPERATION
Circuit Z12 connects to cavities A31 and A32 of the Powertrain Control Module (PCM). The Z12 circuit provides ground for PCM internal
drivers that operate high current devices like the injectors and ignition coil.
