Diesel Data: Automotive Repair

Daytime Running Lamp Resistor: Testing and Inspection

Test (Canada)

CAUTION: The daytime running lights resistor becomes very hot when the daytime running lights are on; do not touch it or the attaching hardware immediately after the lights have been turned OFF.

1. Disconnect the 3P connector from the resistor.

Daytime Running Lights Resistor Test (Canada):




2. Using an ohmmeter, measure the resistance between the terminals.

Headlight Resistance: 1.4 ± 0.07 Ohms
Between the A and C terminals = Left headlight
Between the B and C terminals = Right headlight

3. Replace the resistor if the resistance is not within specifications.