GM Service Manual Online
For 1990-2009 cars only

Switch Position

Pin 4 & Pin 1

Pin 4 & Pin 2

Pin 4 & Pin 5

DEFINITION: Test for continuity between the pins indicated for each position of the switch. The continuity should display as indicated in the test table.

Position 0 (closed)

ohms

Position 1 (vent)

ohms

ohms

Position 2

ohms

Position 3

ohms

ohms

Position 4 (open)

ohms

ohms

ohms