Run a hotwire to the relay to manually close it. Could be the relay is shot.

 

like this guy

 

The first thing he grabbed was not a relay, it was a controller.....big difference.

 

gotta look farther into the video

 

He called it a relay at first. Was trying to clear up some confusion.

 

Where is the relay on my truck? 95 6.5TD?

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I have power at the controller, but not at the glow plug connector. I do have the glow plug light in the instrument cluster when I turn the key on.

 

Anybody?

 

sorry didnt see your post. its in your fuse box on the top portion of it. its grey and bigger than the other fuses

 

Thanks, no problem. Im working nights so I will check it in the morning.

 

I dont have a relay for the glow plugs in the under hood fuse box. Only relays are brake, ac and fuel pump. I have a 10amp fuse and it is good. I checked all my grounds. When iturn the key on and get the glow plug light, I get 12 volts at the glow plug connector for about 2 -4 seconds. But if hook up a glow plug and just lay it on the valve cover it doesnt get hot with the key on. Am I testing it wrong? I tried 2 old plugs and 1 new one. I opened the water bleed off the filter again and I get a good flow of fuel while cranking the engine.