Workshop Manuals Factory service & repair GMC
01 Relays and Modules02 Sensors and Switches03 Maintenance04 Engine, Cooling and Exhaust05 Powertrain Management06 Transmission and Drivetrain07 Brakes and Traction Control08 Starting and Charging09 Power and Ground Distribution10 Steering and Suspension11 Heating and Air Conditioning12 Restraint Systems13 Accessories and Optional Equipment14 Body and Frame15 Cruise Control16 Instrument Panel, Gauges and Warning Indicators17 Lighting and Horns18 Windows and Glass19 Wiper and Washer Systems
GMC S15/T15 2WD Jimmy V6-173 2.8L (1988)01 · Relays and Modules
01 · Diagnostics

Cruise Controller <--> [Cruise Control Module]: Description and Operation

Make
GMC
Model
S15/T15 2WD Jimmy
Engine
V6-173 2.8L
Year
1988
Section
Relays and Modules - Cruise Control › Cruise Controller <--> [Cruise Control Module] › Description and Operation
Relays and ModulesDescription and Operation · page 1 of 2
Cruise Controller <--> [Cruise Control Module]: Description and Operation – GMC S15/T15 2WD Jimmy V6-173 2.8L (1988)

Cruise Controller: Description and Operation

    The module monitors mode control switch position, signals from the speed sensor, servo position and release switch operation, then operates vacuum
valves within the servo unit to control servo operation and vehicle speed. The module also contains a speed limiting function which prevents system
operation at speeds below approximately 25 mph.

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Parts & tools for this job For 1988 GMC S15/T15 2WD Jimmy 2.8L

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