Master Switch
- Remove switch from vehicle and test with a self-powered test
light or ohmmeter. With switch in NEUTRAL position, there should be
continuity between terminals No. 1, 2, 3, 4, 5, 6, 7, 8 and 9, and
between 10 and 11. See
Fig 1
.
- With lock-out switch button depressed into its detent position,
there should be no continuity between terminal No. 11 and any other
terminal.
- With all switches in "close" position, there should be
continuity between terminals No. 1, 3, 5, 7, 10 and 11, and between
terminals No. 2, 4, 6, 8 and 9.
- With all switches in "open" position, there should be continuity
between terminals No. 1, 3, 5, 7 and 9, and between terminals No. 2,
4, 6, 8, 10 and 11.
- Replace switch if continuity is not as specified.
Courtesy of GENERAL MOTORS CORP.