For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the entire Radio/Audio System Check performed? | -- | Go to Step 2 | Go to Radio/Audio System Check
2 |

1. Turn the headlamp switch to the PARK position.
2. Connect a test light.
3. Backprobe between the radio harness connector C1 terminal 7 to ground.

Does the test light illuminate?

--

Go to Step 3

Go to Step 4

3 | Service the radio. Refer to Radio Replacement . Is the repair complete? | -- | Go to Step 5 | --
4 | Repair a poor connection or open in circuit 8. Is the repair complete? | -- | Go to Step 5 | --
5 |

1. Turn the ignition switch to the OFF position.
2. Reconnect all connectors/components removed.

Have all the repairs been made?

--

Go to Radio/Audio System Check

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