## Exterior Lights

#### Headlight Adjuster Unit Troubleshooting

22-115

NOTE: Before testing, check for a blown No. 6 (7.5A) fuse in the under - dash fuse/relay box.

1. Disconnect the 3P connector (A) from the headlight adjuster unit (B).

Wire side of female terminals

2. Check for continuity between the No. 3 [No. 1] terminal and body ground.

Is there continuity?

YES – Go to step 3.

NO – Check for these problems:

- Repair open in the BLK wire between the headlight adjuster unit and body ground.
- Poor ground (G201, G301).

3. Check for voltage between the No. 1 [No. 3] terminal and body ground.

Is there battery voltage?

YES – Go to step 4.

NO – Repair open in the YEL/GRN wire between the headlight adjuster unit and under - dash fuse/relay box.

4. Using an ohmmeter, measure resistance between the No. 2 terminal and body ground in position 0 of the headlight adjuster switch.

Is there about 730 ohm?

YES – Check for frozen, stuck or improperly installed the headlight adjuster unit. If the mechanical check is OK, replace the headlight adjuster unit.

NO – Check for these problems:

- Poor ground (G501).
- An open in the BLU/BLK wire between the headlight adjuster unit and headlight adjuster switch.
- A faulty headlight adjuster switch.

[ ]: 5-door