Dakota 4WD V6-239 3.9L Magnum (1996)
Fuel Pump Relay: Description and Operation
CIRCUIT OPERATION
When the ignition switch is in the START or RUN position, it connects circuit A1 from fuse C in the Power Distribution Center (PDC) to circuit
A21. Circuit A21 powers the coil side of the fuel pump relay. The Powertrain Control Module (PCM) energizes the relay by providing ground for
the relay coil on circuit K31. Circuit K31 connects to cavity C19 of the PCM.
When the PCM energizes the relay, the contacts close and connect circuit A14 from fuse D in the PDC to circuit A141. Circuit A141 powers the
fuel pump module.
