For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Exterior Lights System Check? | -- | Go to Step 2 | Go to Exterior Lights System Check
2 | Disconnect the park lamp relay. Did the park lamps turn off? | -- | Go to Step 3 | Go to Step 4
3 | Test CKT 991 for a short to ground. Did you find a short to ground in CKT 991? | -- | Go to Step 5 | Go to Step 6
4 | Replace the turn/hazard/headlamp switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Standard. Is the repair complete? | -- | Go to Exterior Lights System Check | --
5 | Repair a short to ground in CKT 991. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Exterior Lights System Check | --
6 | Replace the park lamp relay. Is the repair complete? | -- | Go to Exterior Lights System Check | --