Durango 4WD V6-3.9L VIN X (1998)
Daytime Running Lamp Control Unit: Description and Operation
SYSTEM OPERATION
The headlamps on vehicles sold in Canada, will go on when the ignition is turned ON. The module must also receive a signal from the engine
controller. This provides a constant Lights On condition while the vehicle is rolling. The lamps illuminate at less than 50% of normal intensity.