Multi-Function Control Switch Test
- Using a voltmeter or test light, test cruise switch at connector mounted on steering column. With slider switch in "OFF" position and set/coast button not depressed, reading should be infinity (open circuit) at all wire terminals. See Fig 1
.
- With slider switch in "ON" position and set/coast button not depressed, reading should be infinity (open circuit) at all terminals except 12 volts at Green/Blue wire terminal.
- With slider switch in "R/A" position and set/coast button not depressed, reading should be infinity (open circuit) at wire terminals Yellow/Red, Green/Red, and Red/Blue. Reading should be 12 volts at wire terminals Yellow/Green, Yellow/Blue, and Green/Blue. See Fig 1
.
- With slider switch in "OFF" position and set/coast button depressed, reading should be infinity (open circuit) at all wire terminals except 12 volts at Green/Red wire terminal.
- With slider switch in "ON" position and set/coast button depressed, reading should be infinity (open circuit) at wire terminals Yellow/Green, Yellow/Red, and Yellow/ Blue. Reading should be 12 volts at wire terminals Green/Red, Green/Blue, and Red/Blue. See Fig 1
.
- With slider switch in "R/A" position and set/coast button depressed all wire terminals should be 12 volts.
Courtesy of GENERAL MOTORS CORP.