Step | Action | Yes | No |
|---|---|---|---|
1 | Did you review the exterior lighting description and operation and perform the necessary inspections? | Go to Step 2 | |
2 |
Does the test lamp illuminate? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp illuminate? | Go to Step 4 | Go to Step 7 |
4 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 5 |
5 | Does the fuse in the jumper wire open? | Go to Step 8 | Go to Step 9 |
6 | Inspect for poor connections at the harness connector of the stop lamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 11 | Go to Step 10 |
7 | Repair an open, high resistance, or short to ground in the battery positive voltage circuit of the stop lamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
8 | Repair a short to ground in the upfitter connector's stop lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
9 | Repair an open or high resistance in the upfitter connector's stop lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
10 | Replace the stop lamp switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes or Stop Lamp Switch Replacement in Air Brakes. Did you complete the replacement? | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
