Tachometer Inoperative Gasoline
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Perform a test of the Distributor Ignition System in Engine Controls. Does the problem persist? | -- | Go to Step 2 | System OK |
2 |
Does the test lamp light? | -- | Go to Step 3 | Go to Step 4 |
3 | Locate and repair the short to ground in the CKT 121 (WHT) wire between the ignition coil and the instrument cluster. Is the repair complete? | -- | System OK | -- |
4 | Connect a test lamp between the instrument cluster connector cavity 8 and the ignition coil connector cavity B. Does the test lamp light? | -- | Go to Step 5 | Go to Step 6 |
5 | Replace the instrument cluster. Is the repair complete? | -- | System OK | -- |
6 | Locate and repair the open in the CKT 121 (WHT) wire between the instrument cluster and the ignition coil. Is the repair complete? | -- | System OK | -- |
Tachometer Inoperative Diesel
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Does the test lamp light? | -- | Go to Step 2 | Go to Step 3 |
2 | Locate and repair the short to ground in the CKT 121 (WHT) wire between the generator and the instrument cluster. Is the repair complete? | -- | System OK | -- |
3 | Connect a test lamp between the instrument cluster connector cavity 8 and the generator connector cavity A. Does the test lamp light? | -- | Go to Step 4 | Go to Step 5 |
4 |
Is the voltage present? | 14 V | Go to Step 6 | Go to Step 7 |
5 | Locate and repair the open in the CKT 121 (WHT) wire between the generator and the instrument cluster. Is the repair complete? | -- | System OK | -- |
6 | Replace the instrument cluster. Is the repair complete? | -- | System OK | -- |
7 | Replace the generator. Is the repair complete? | -- | System OK | -- |
