G 3500 1 Ton Van V8-379 6.2L DSL VIN J FI (1992)
Glow Plug: Description and Operation
Purpose:
Glow plugs provide a source of heat in addition to heat provided by compression, to aid in starting.
Operation:
Glow plugs are 6 volts heaters (operated at 12 volts) that turn on when the engine control switch is turned to the run position prior to starting the
engine. They remain pulsing for a short time after starting, then automatically turn off.
Glow Plug Location
Location:
Glow plugs are located in the cylinder head and protrude into the precombustion chamber.
