For 1990-2009 cars

## Turn Signal Indicator Always On - Left Side Oldsmobile

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Instrument Cluster System Check? | -- | Go to Step 2 | Go to Instrument Cluster System Check
2 | Perform the following steps:

1. Turn the ignition switch ON.
2. Connect a scan tool.
3. Select IPC Input Menu.

Does the left turn signal input on the scan tool indicate ON?

--

Go to Exterior Lights System Check

Go to Step 3

3 | Replace the instrument panel cluster (IPC). Refer to IP Cluster Replacement. Did you complete the repair? | -- | Go to Instrument Cluster System Check | --

## Turn Signal Indicator Always On - Left Side Buick and Pontiac

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

1. Disconnect the Instrument Cluster connector C1.
2. Inspect CKT 14 (LT BLU) for an short to voltage.

Was a short to voltage found?

--

Go to Step 3

Go to Step 4

3 | Repair the short to voltage. Is the repair complete? | -- | Go to Instrument Cluster System Check | --
4 | Replace the instrument cluster. Is the replacement complete? | -- | Go to Instrument Cluster System Check | --