Service Procedure
INSPECTION1. Tilt steering wheel to its lowest position.
2. Position turn signal arm to simulate a left turn.
3. With the aid of a flashlight, determine which type of switch is installed:
- If an original design switch is installed (Figure 1), the switch WILL need to be replaced. Proceed to Step # 4.
-OR-
- If a NEW design switch has been previously installed (Figure 2), the switch will not need replacement. Proceed to Step # 10.
4. Disconnect negative battery cable.
5. Disable SIR system; refer to "Disabling the SIR System" in Section 3F of the Service Manual
6. Remove old design windshield washer/wiper switch following instructions outlined in the Service Manual.
7. Install NEW design switch following instructions outlined in the Service Manual. Ensure wire is correctly positioned as shown,
8. Connect negative battery cable.
9. Enable SIR system; refer to "Enabling the SIR System" in Section 3F of the Service Manual.
10. Install GM Campaign Identification Label.