there are eight glow plugs.
On the motor
Under the valve covers
Under the valve covers
glow plugs, glow plug relay, poor compression on engine are some things that will give problems
it controls the time the glow plugs are on up to 120 seconds depending on temp and other information recived from the pcm
there are 8 glow plugs
The glow-plugs are located under the valve covers. There is a single wire that comes out of each injector harness that powers each glow-plug. Disconnect the single wire from the glow plug. Connect the gator clip of a test light to a positive and probe the glow plug terminal with the test light. If test light does not come on the glow plug is bad.
possible head gasket problems
wire diagram for 1999 Ford F250 diesel glow plug relay
no glow plugs
Glow plugs and injectors are two different parts of two different engines. You may be referring to glow plugs or spark plugs. If you have a diesel engine, you will have glow plugs. If it is gasoline, it is spark plugs.
Yes, all duramax's have glow plugs.