For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Radio/Audio System Check? | -- | Go to Step 2 | Go to Radio/Audio System Check
2 |

1. Turn the illumination controller clockwise to full intensity.
2. Backprobe the radio connector with a J 35616-200 unpowered test lamp from cavity 3 to B+.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3 | Repair the radio. Refer to Radio Replacement . Is the repair complete? | -- | Go to Radio/Audio System Check | --
4 | Repair the open or short to voltage in the RED/GRN wire between the radio and illumination controller. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Radio/Audio System Check | --