For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 |

1. Disconnect the high mounted stop lamp assembly connector.
2. Connect a test lamp between terminal A of the high mounted stop lamp assembly connector and ground.
3. Depress the brake pedal.

Does the test lamp light?

--

Go to Step 2

Go to Step 3

2 |

1. Connect a test lamp between terminal A and terminal B of the high mounted stop lamp assembly connector.
2. Depress the brake pedal.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

3 | Repair the open in CKT 20 between splice pack S301 and the high mounted stop lamp assembly. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Exterior Lights System Check | --
4 | Replace the faulty bulb or repair the open in the lamp assembly. Refer to High Mount Stop Lamp Replacement . Is the repair complete? | -- | Go to Exterior Lights System Check | --
5 | Repair the open in CKT 850 between the high mounted stop lamp assembly and ground splice pack G402. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Exterior Lights System Check | --