For 1990-2009 cars

## Radio Display Inoperative, No Sound from Speakers Buick

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. Disconnect radio connectors.
2. Turn the ignition switch to the RUN position.
3. Measure the voltage from radio connector terminal F1 to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 4

Go to Step 3

3 | Repair the open or short to ground in CKT 440 (ORN). Did you complete the repair? | -- | Go to Radio/Audio System Check | --
4 | Measure the voltage from the radio connector terminal F2 to ground. Is the voltage within the specified range? | 10-15 V | Go to Step 6 | Go to Step 5
5 | Repair the open or short to ground in CKT 43 (YEL). Did you complete the repair? | -- | Go to Radio/Audio System Check | --
6 | Measure the voltage between the radio connector terminal F2 to terminal E16. Is the voltage within the specified range? | 10-15 V | Go to Step 7 | Go to Step 10
7 | Measure the voltage between the radio connector terminal F2 to terminal F10. Is the voltage within the specified range? | 10-15 V | Go to Step 8 | Go to Step 10
8 | Measure the voltage between the radio connector terminal F2 to terminal F9. Is the voltage within the specified range? | 10-15 V | Go to Step 9 | Go to Step 10
9 | Measure the voltage between the radio connector terminal F2 to terminal F8. Is the voltage within the specified range? | 10-15 V | Go to Step 11 | Go to Step 10
10 | Repair the open in CKT 351 (BLK/WHT). Did you complete the repair? | -- | Go to Radio/Audio System Check | --
11 | Replace the radio. Did you complete the repair? | -- | Go to Radio/Audio System Check | --

## Radio Display Inoperative, No Sound from Speakers Oldsmobile

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. Disconnect radio connectors.
2. Turn the ignition switch to the RUN position.
3. Measure the voltage from the radio connector terminal F1 to ground.

Is the voltage within the specified range?

10-15 V

Go to Step 4

Go to Step 3

3 | Repair the open or short to ground in CKT 440 (ORN) Did you complete the repair? | -- | Go to Radio/Audio System Check | --
4 | Measure the voltage from the radio connector terminal F2 to ground. Is the voltage within the specified range? | 10-15 V | Go to Step 6 | Go to Step 5
5 | Repair the open or short to ground in CKT 43 (YEL). Did you complete the repair? | -- | Go to Radio/Audio System Check | --
6 | Measure the voltage between the radio connector terminal F2 to terminal E16. Is the voltage within the specified range? | 10-15 V | Go to Step 8 | Go to Step 7
7 | Repair the open in CKT 351 (BLK/WHT) Did you complete the repair? | -- | Go to Radio/Audio System Check | --
8 | Replace the radio. Did you complete the repair? | -- | Go to Radio/Audio System Check | --