Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Did the test lamp light? | -- | ||
2 | Disconnect the stoplamps switch C1 connector. Does the test lamp still light? | -- | ||
3 | Connect a test lamp from CKT 848 (TAN), terminal 45, at the Cat® PCM connector to B+. Does the test lamp light? | -- | ||
4 | Connect a test lamp from CKT 808 (BLK), terminal 5, at the Cat® PCM to B+. Does the test lamp light? | -- | ||
5 |
Does the test lamp light? | -- | ||
6 |
Does the test lamp light? | -- | ||
7 |
Does the test lamp light? | -- | ||
8 |
Does the test lamp light? | -- | ||
9 | Replace the trailer stoplamps switch. Is repair complete? | -- | System OK | -- |
10 | Replace the stoplamps switch. Is repair complete? | -- | System OK | -- |
11 | Repair open in CKT 848 (TAN). Refer to Wiring Repairs in Wiring Repairs. If no problem found replace stoplamps switch. Is the repair complete? | -- | System OK | -- |
12 | Replace the cruise control switch. Is the repair complete? | -- | System OK | -- |
13 | Repair the open or high resistance in CKT 84 (DK BLU). Refer to Wiring Repairs in Wiring Repairs. Is the repair complete? | -- | System OK | -- |
14 | Repair the open or high resistance in CKT 87 (GRY/BLK). Refer to Wiring Repairs in Wiring Repairs. Is the repair complete? | -- | System OK | -- |
15 | Repair the open or high resistance in CKT 397 (GRY). Refer to Wiring Repairs in Wiring Repairs. Is the repair complete? | -- | System OK | -- |
16 | Repair the open or high resistance in CKT 808 (BLK). Refer to Wiring Repairs in Wiring Repairs. Is the repair complete? | -- | System OK | -- |
17 | Reconnect all previously disconnected components and refer to the 1999 Cat® Diesel Truck Engine Service Manual-3100 HUEI for further diagnosis of the cruise control system. Does the cruise control system operate correctly? | -- | System OK | -- |
