For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Horns System Check? | -- | Go to Step 2 | Go to Horns System Check
2 | Disconnect the horn relay. Are the horns on? | -- | Go to Step 4 | Go to Step 3
3 | Connect a test lamp between relay terminal 86 and terminal 85. Does the test lamp light? | -- | Go to Step 6 | Go to Step 5
4 | Repair CKT 29 (DK GRN) for a short to B+. Is the repair complete? | -- | Go to Horns System Check | --
5 | Replace the horn relay. Is the repair complete? | -- | Go to Horns System Check | --
6 |

1. Disconnect the horn switch.
2. Connect the horn relay.

Are the horns on?

--

Go to Step 7

Go to Step 8

7 | Repair CKT 28 (BLK) for a short to ground. Is the repair complete? | -- | Go to Horns System Check | --
8 | Replace the horn switch. Is the repair complete? | -- | Go to Horns System Check | --