need help trouble shooting
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Freshman User
Joined: Dec 2011
Posts: 46
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need help trouble shooting
i have a 1993 f250 7.3 idi. tried to start it today and got no wait to start light. this is not unusual for my truck may take a few times it get the light to come on and the glow plugs to fire. but this time it never fired, after 15 min and god knows how many tries i gave up. not wanting to make anything worse i go to you all for help.
Post Fiend
Joined: Oct 2007
Posts: 10,501
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From: Faibanks Ak.
There should still be a sticky at the top of the page with pictures. Make sure you have voltage at the wires shown and clean the grounds real good, as grounds are one of the more common problems with this systems.
Cargo Master
Joined: Feb 2010
Posts: 3,493
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From: NY
Lead Driver
Joined: Mar 2006
Posts: 5,098
Likes: 1,504
From: western SD
If you are saking where on the motor it is located, it is on the rear of the notor under the air cleaner housing on a nonturboed motor. On the factory turboed motor it is on the passenger side valve cover. The first link Snapon shows is the entire controler. the second link is just the relay that can be changed out on the controler. If you have a parts store near by (NAPA, ect.) ask for a GP109 glow plug relay, if you don't want to wait for shipping.
Fleet Owner
Joined: Jul 2006
Posts: 20,357
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From: Mi'kma'ki
what about a test light?
"not unusual for my truck may take a few times it get the light to come on"
i would likely start by checking and cleaning the ground.
"not unusual for my truck may take a few times it get the light to come on"
i would likely start by checking and cleaning the ground.
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Post Fiend
Joined: Nov 2005
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From: Charles Town, W bygod Va
The sticky at the top of the page that was mentioned earlier explains how it works and how to check it. Read up then ask away if you have questions.
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Post Fiend
Joined: Oct 2007
Posts: 10,501
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From: Faibanks Ak.
I doubt if a wallmart voltmeter is of a good enough quality to test things like glow plugs.
If their testlights are like the ones they use to sell they had real cheap cords and clips on them.
If their testlights are like the ones they use to sell they had real cheap cords and clips on them.
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Thepubliceye
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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Dec 25, 2011 08:22 AM
