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Laughing Gas
Joined: Jan 2007
Posts: 870
Likes: 9
From: Carbondale, CO
Welcome to FTE. Here's some good reading from another post about your GPR question.
https://www.ford-trucks.com/forums/7...pr-system.html
I'm not sure of you question about control module. Could you explain further about what is or isn't happening. Others will be along soon.
https://www.ford-trucks.com/forums/7...pr-system.html
I'm not sure of you question about control module. Could you explain further about what is or isn't happening. Others will be along soon.
Rather Be Floatin
Joined: Oct 2005
Posts: 2,468
Likes: 0
From: Marble Falls, Tx.
Unplug the connector on the outside of the valve cover. You'll see 9 flat pins inside there. They're laid out as follows G G I I C I I G G
where
G=Glow Plug
I = Injector
C= Injector Common
Test between "I" and "C" to test the injectors, should be less than 5.0 Ohms.
To check glow plugs Test between "G" and battery ground. Should be between 0.1 and 2.0 Ohms
If you find readings that are out of spec, then yes it's time to pull the valve cover and check the connector.
(I just cut and pasted this info from Chris (F350-6)So give him some reps)
where
G=Glow Plug
I = Injector
C= Injector Common
Test between "I" and "C" to test the injectors, should be less than 5.0 Ohms.
To check glow plugs Test between "G" and battery ground. Should be between 0.1 and 2.0 Ohms
If you find readings that are out of spec, then yes it's time to pull the valve cover and check the connector.
(I just cut and pasted this info from Chris (F350-6)So give him some reps)
Senior User
Joined: Mar 2007
Posts: 273
Likes: 0
From: At Work!
Hey jig I don't know what year truck you have but all you have to do is turn the key on and test light both sides of your relay of the large wires. The relay is basicaly a large solonoid like on any other ford firewall! if this did'nt help than follw the links dnd58 sent
