Corvette Mid-Year 63/67 Wiper Switch Testing

63 to 66 Wiper Switch

(65/66 shown)

67 Wiper Switch

To test the wiper switch, use the chart below to test continuity from the numbered terminals to the switch case which is the ground for the switch.

Switch Position

Terminal #1

Terminal #2

Terminal #3

OFF

No

Yes

No

1st SPEED

Yes

Yes

No

2nd SPEED

Yes

No

No

Note: Terminal  #3 gets continuity only when washer button is pushed in.

#1

#3

#2

#1

#3

#2