Grand Caravan AWD V6-229 3.8L VIN L MFI (1997)
License Plate Lamp: Description and Operation
CIRCUIT OPERATION
When the operator turns the parking lamps ON, a ground path is completed on circuit L308 from the Body Control Module (BCM), through the
CLOSED contacts in the headlamp switch to ground on circuit Z1.
Voltage for the L308 circuit is supplied from the BCM.
The BCM interprets the operates request and supplies a ground path for circuit L97. This circuit connects from the BCM to the coil side of the
park lamp relay, located in the junction block.
Ground to the coil side of the relay causes the contacts in the relay to CLOSE connecting circuits A6 and L7 to fuses 4 and 6. Circuit A6 is a direct
battery feed, HOT at all times, and protected by a 40 Amp fuse located in cavity 6 of the Power Distribution Center (PDC).
Circuit L77 connects from fuse 6, a 15 Amp, to the left rear park/turn signal lamp. Ground for the lamp is supplied on circuit Z1 and terminates at
the rear body ground.
The L77 circuit is spliced, internal to the junction block, and provides power to the license lamp. Ground for the lamp is supplied on circuit Z1 and
terminates at the liftgate ground.
