Multi-Function Switch Test

FLASHER DIAGNOSIS

Turn Signal And Hazard Warning Flasher Diagnosis (Part 1 Of 2):

Turn Signal And Hazard Warning Flasher Diagnosis (Part 2 Of 2):

Should any function of the multi-function switch fail, the entire switch assembly must be replaced. Refer to Multi-Function Switch.

Multi-Function Switch Continuity Test:

Multi-Function Switch Dimmer Control Resistence:

SWITCH DIAGNOSIS

To test the switch:

Fig.5 Battery Negative Cable Remove/Install:

1. Disconnect and isolate the battery negative cable.
2. Remove the upper and lower steering column shrouds. Refer to Instrument Panel Systems, Removal and Installation, Steering Column Shrouds.
3. Disconnect the switch connector.

Fig.4 Combination Flasher Connector (A):

Fig.5 Multi-Function Switch Connector (B):

Fig.6 Windshield Wiper/Washer Switch Connector (C):

Using an ohmmeter, test for continuity (no resistance) between the terminals of the switch as shown in the Multi-Function Switch Continuity Test table for diagnosis. Refer to,, and for connector terminal locations.