Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Does the test lamp light at both terminals? | -- | Go to Step 2 | Go to Step 7 |
2 | Connect a test lamp from horn relay terminal X4 to terminal X1. Does the test lamp light? | -- | Go to Step 3 | Go to Step 5 |
3 | Connect a test lamp from horn relay terminal X5 to B+ while pressing the horn switch. Does the test lamp light? | -- | Go to Step 8 | Go to Step 4 |
4 | Backprobe the turn signal switch connector with a test lamp from terminal G to B+ while pressing the horn switch. Does the test lamp light? | -- | Go to Step 9 | Go to Step 10 |
5 |
Does the test lamp light? | -- | Go to Step 6 | Go to Step 11 |
6 | Connect a test lamp from CKT 650 (BLK) to B+. Does the test lamp light? | -- | Go to Step 12 | Go to Step 13 |
7 | Locate and repair open in CKT 140 (ORN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | System OK | -- |
8 | Replace the horn relay. Is the repair complete? | -- | System OK | -- |
9 | Locate and repair open in CKT 28 (BLK ) from terminal G of the turn signal switch connector to terminal X5 of the horn relay. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | System OK | -- |
10 | Locate and repair open in CKT 28 (BLK) from terminal G to the turn signal switch connector to horn switch. Refer to Wiring Repairs in Wiring Systems. If no problem found replace the horn switch. Is the repair complete? | -- | System OK | -- |
11 | Locate and repair the open in CKT 29 (DK GRN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | System OK | -- |
12 | Replace the horn. Refer to Horn Replacement . Is the repair complete? | -- | System OK | -- |
13 | Locate and repair the open in CKT 650 (BLK) to G401. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | System OK | -- |
