switch?? Module maybe? front of passanger side valve cover. two ten mil. nuts two wirring connectors and you are done.
wire diagram for 1999 Ford F250 diesel glow plug relay
Where is numb two glow plug on a 2006 ford 6.0 f250 v8 turbo?
On the motor
unplug it then, unbolt it like a spark plug.
what year model
Under the valve covers
Under the valve covers
remove your air cleaner then right behind it (closest to firewall) Is your glow plug controller! that is where the controller is for the glowplugs, but the relay switch for the glowplugs is on the passenger side of the motor. it is bolted on to the side of the fender. hope that answers your question
Sounds like you need to change the glow plugs or the glow plug relay switch or both.
It is fuse #22, under the hood
glow plugs, glow plug relay, poor compression on engine are some things that will give problems
The Inner Glow of Things - 2003 was released on: USA: 22 February 2003 (premiere)