Replacing Glow plugs.
Logistics Pro
Joined: Apr 2005
Posts: 4,221
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Might be a good idea though to do some diagnosis before throwing money at it:
Glow plugs, 87 thru 94, new style system
Fleet Mechanic
Joined: Jan 2011
Posts: 1,709
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From: 8600 ft in Colo
The controller is on top of the motor, back by the firewall. The relay is mounted on top of the controller, with a rectangular plastic cover over the whole works.
Go through glow plug thread at the top of this forum to troubleshoot.
Go through glow plug thread at the top of this forum to troubleshoot.
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Cross-Country
Joined: Jan 2013
Posts: 62
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Ok thats where i get confused. Both are the controller. I want the starter relay looking one that is in the glow plug thread that I have read twice. Why is there two different GPC relays? Who can I get the correct good quality one from? I dont want one that will fail after 5 starts.
Logistics Pro
Joined: Apr 2005
Posts: 4,221
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Okay, this is the GP relay:
On your system it mounts to the top of the GP Controller. Here is the relay on the controller:
This is a pic of under the hood of my truck, passenger inner fender. I have the old system:
You should have the starter relay on yours, yellow circle, you should not have the GP relay mounted on the fender like mine, red circle. Your relay is mounted to the top of the controller under that plastic guard on the rear of the engine behind the air cleaner.
On your system it mounts to the top of the GP Controller. Here is the relay on the controller:
This is a pic of under the hood of my truck, passenger inner fender. I have the old system:
You should have the starter relay on yours, yellow circle, you should not have the GP relay mounted on the fender like mine, red circle. Your relay is mounted to the top of the controller under that plastic guard on the rear of the engine behind the air cleaner.
Logistics Pro
Joined: Apr 2005
Posts: 4,221
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As far as where to get it, Ford or IH would be best. Rockauto shows Airtex (run away from anything Airtex) or Delphi. (I have no experience with Delphi.)
Oreily's shows they can order the Motorcraft for $193:
Motorcraft DY1128 - Glow Plug Switch | O'Reilly Auto Parts
And that's for the controller with the relay.
Oreily's shows they can order the Motorcraft for $193:
Motorcraft DY1128 - Glow Plug Switch | O'Reilly Auto Parts
And that's for the controller with the relay.
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michaelbrainardatwor
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
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Jan 4, 2008 07:29 PM
