K 2500 Truck 4WD V8-6.5L DSL Turbo VIN S (1998)
Glow Plug Relay: Description and Operation
DESCRIPTION
The glow plug relay is mounted at the rear of the right cylinder head, which is a solid state device that operates the glow plugs. The PCM uses an
ignition voltage signal in order to control the solid state circuitry of the glow plug relay.