Glow-plug madness
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From: San Pablo
Glow-plug madness
Just got my first Diesel 93 F250 XL non turbo. Had a hard starting problem. Found two burn plugs. Bought a set of glow plugs off eBay (maybe thats my problem). Still got the brief flash of the WTS light followed by clicking. Put a new glow plug controller on it. And the same problem.
The ohms on the plugs are .8
Omhs on the wires to the lead on controller are .2
I get 12volts on the big red wire with key off.
I get 12volts on the smaller ones next to it with key on. Whiles its clicking it drops to 11.9 then back to 12.44
The ground wire has been cleaned. I get 12volts when testing it to the positive. Strangely the resistance to the negative terminal is -7 ohms.
What do I check next?
The ohms on the plugs are .8
Omhs on the wires to the lead on controller are .2
I get 12volts on the big red wire with key off.
I get 12volts on the smaller ones next to it with key on. Whiles its clicking it drops to 11.9 then back to 12.44
The ground wire has been cleaned. I get 12volts when testing it to the positive. Strangely the resistance to the negative terminal is -7 ohms.
What do I check next?
Fleet Owner
Joined: Jul 2006
Posts: 20,399
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From: Mi'kma'ki
follow these tests to test the whole system:
https://www.ford-trucks.com/forums/1...l#post12967785
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From: San Pablo
I put one of he old plugs in just for kicks. And I got a longer WTS before the clicking cycle. I pulled out a couple more plugs and discovered after the slighter longer burn the resistance is 1.3. So put all the old back (ac deco) that were good and I only have 3 eBay nonames and the wts goes for about 6 seconds then starts the clicking cycle. Heading to Orileys now to get some motocrafts.
Fleet Owner
Joined: Jul 2006
Posts: 20,399
Likes: 870
From: Mi'kma'ki
good learning experience though.now you know to research and ask here first before buying anything.this way we can help ya diagnose things and what to buy for parts and what parts most of use learned to stay away from.
nothing beats a quick easy starting cold diesel in the morning.congrats.
nothing beats a quick easy starting cold diesel in the morning.congrats.
Fleet Owner
Joined: Jul 2006
Posts: 20,399
Likes: 870
From: Mi'kma'ki
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