For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Exterior Lights Schematics
1 | Did you review the Lighting System Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Lighting Systems
2 | Verify that the headlamps are inoperative in low beams. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3
3 |

1. Remove the DIMMER relay.
2. Connect a fused jumper wire from cavity 1 to cavity 4 of the socket where the DIMMER relay came from.
3. Turn the light switch to the head position.

Do the low beams illuminate?

Go to Step 4

Go to Step 5

4 | Replace the DIMMER relay. Is the replacement complete? | Go to Step 6 | --
5 | Locate and repair the open in the BLK wires between the DIMMER relay and the fuses. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | Go to Step 6 | --
6 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3