Wiper/Washer Switch
Remove steering column covers for access to connectors on back of multifunction switch (combination switch). Disconnect wiper/washer switch connector from right side of multifunction switch. Measure resistance across switch terminals. See Fig 1
. Refer to the WIPER/WASHER SWITCH RESISTANCE
table. If resistance is not as specified, replace wiper/washer switch.
WIPER/WASHER SWITCH RESISTANCE
| Wiper Switch Position |
Washer Switch Position |
Ohms |
| Terminals "A" & "E" |
| MIST |
OFF |
300 |
| MIST |
ON |
91 |
| OFF |
OFF |
Infinite |
| ON |
ON |
130 |
| INT. 1 |
OFF |
2090 |
| INT. 1 |
ON |
122 |
| INT. 2 |
OFF |
990 |
| INT. 2 |
ON |
115 |
| INT. 3 |
OFF |
560 |
| INT. 3 |
ON |
106 |
| LOW |
OFF |
300 |
| LOW |
ON |
91 |
| HIGH |
OFF |
300 |
| Terminals "A" & "F" |
| HIGH |
ON |
Less Than 1 |
Courtesy of GENERAL MOTORS CORP.