K 1500 Truck 4WD V8-6.5L DSL Turbo VIN S (1999)
Glow Plug: Description and Operation
These are 6-volt heaters (operated at 12 volts) that turn ON, when the ignition switch is turned to the run position, prior to starting the engine. They
remain pulsing a short time after starting, then are turned OFF.
A Wait to Start lamp on the instrument panel, provides information on engine starting conditions. The Wait to Start lamp will not come ON during post
glows.
