Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
|
Important: A short to ground will cause an open fuse(s). Before performing this diagnostic procedure, inspect the fuse(s) for an open. | ||||
1 |
Does the test lamp light? | -- | Go to Step 2 | Go to Step 3 |
2 | Connect a fused jumper between terminal B of the panel dimmer switch connector and ground. Are the interior lamps lit? | -- | Go to Step 4 | Go to Step 5 |
3 | Repair the open in CKT 151 between the panel dimmer switch and ground splice pack G202. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
4 | Use a fused jumper in order to backprobe the lamp dimmer module connector between terminal B and ground. Do the interior lamps turn off? | -- | Go to Step 6 | Go to Step 7 |
5 | Replace the panel dimmer switch. Refer to Instrument Panel Lamp Dimmer Switch Replacement in Instrument Panel, Gauges, and Console. Is the repair complete? | -- | -- | |
6 | Repair the open or short to B+ in CKT 44 between the panel dimmer switch and the lamp dimmer module. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
7 | Replace the lamp dimmer module. Refer to Instrument Panel Lamp Dimmer Replacement in Instrument Panel, Gauges, and Console. Is the repair complete? | -- | -- | |
