For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Were you sent here from the Exterior Lights System Check? | -- | Go to Step 2 | Go to Exterior Lights System Check
2 | Do the rear combination lamps operate properly? | -- | Go to Step 3 | Go to License and Tail Lamps Inoperative
3 | Using a test lamp, backprobe cavity 2 of the license plate lamps to ground. Does the test lamp illuminate? | -- | Go to Step 4 | Go to Step 5
4 | Test the license plate lamps cavity 1 for ground. Is the cavity properly grounded? | -- | Go to Step 6 | Go to Step 7
5 | Repair the open in the GRN wire between SP450 and license plate lamps cavity 2. Refer to Wiring Repairs in Wiring Systems. is the repair complete? | -- | Go to Exterior Lights System Check | --
6 | Replace the license plate lamp socket. Refer to Rear License Lamp Replacement in Lighting Systems. Is the replacement complete? | -- | Go to Exterior Lights System Check | --
7 | Repair the ground to cavity 1 of the license plate lamps. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Exterior Lights System Check | --