Park Lamps Always On. Buick GL7 (Export) 2000

For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems
2 | Disconnect the headlamp and instrument panel (IP) lamp dimmer switch connector. Do the lamps turn off? | Go to Step 3 | Go to Step 4
3 | Replace the headlamp and IP lamp dimmer switch. Refer to Headlamp Switch Replacement . Is the repair complete? | Go to Step 5 | --
4 | Repair a short to B+ in CKT 9. Is the repair complete? | Go to Step 5 | --
5 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2