C 2500 Suburban 2WD V8-6.5L DSL Turbo VIN F (1995)
Glow Plug Relay: Description and Operation
Glow Plug Relay
The glow plug relay is mounted at the rear of the left cylinder head. It is a solid state device which operates the glow plugs. The Powertrain
Control Module (PCM) uses B+ signal to control the solid state circuitry of the glow plug relay.