Is it worth it?
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Senior User
Joined: Dec 2007
Posts: 253
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From: Otego NY
Is it worth it?
I have an 89 f-350 7.3 dump truck with bad glow plugs, I know starting fluid is not a good idea but the last owners has been using for who knows how long and obiously i have been as well. It starts hard but will it start better with new glowplugs? Is it supposed to start as easy as my '02 dakota gas job?
Beersy50
Beersy50
Elder User
Joined: Sep 2006
Posts: 588
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Well we are all happy Dave's truck starts great...doesn't mean any thing to you though!
These IDI's can be tempermental...if its not the glow plugs
could be the [glow plug] controler
batteries
cables
air in the fuel line
starter
It can be a process of elimination...I hope this of some help.
These IDI's can be tempermental...if its not the glow plugs
could be the [glow plug] controler
batteries
cables
air in the fuel line
starter
It can be a process of elimination...I hope this of some help.
Hotshot
Joined: Feb 2004
Posts: 11,697
Likes: 3
From: Marengo, Iowa
My father ran his 84 for years starting on ether, but I didn't like that, so I switched it back to operating the glow plugs, and it starts just fine off them. A good set of glow plugs will do fine, even after all the ether.
Hotshot
Joined: Feb 2004
Posts: 11,697
Likes: 3
From: Marengo, Iowa
With good cables, batteries and connections, the old 84 will start in less than one turn. My 86 ate up it's first set since I got it, and it got ethered a few times, but mostly set up to run glows, and it will be fired off usually in half a turn. i switched from the old style glows to the newer bullet style and toggle switch, and it starts easy each time.
Senior User
Joined: Jun 2007
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With good cables, batteries and connections, the old 84 will start in less than one turn. My 86 ate up it's first set since I got it, and it got ethered a few times, but mostly set up to run glows, and it will be fired off usually in half a turn. i switched from the old style glows to the newer bullet style and toggle switch, and it starts easy each time.
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Elder User
Joined: May 2004
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From: Danville, Pa
Mine too. But I've done all the preventive stuff found OFTEN in the threads in this board.
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Brett Foote
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From: Guymon
On the glowpulgs, I would recommend getting the motorcraft buro?(buru) plugs. They sell them at o-rylies and they seem like the best plugs that the tips don't come off in the cylinder if they get too hot. When they burn up/out, they usually stay in one pice and don't swell terribly bad. Thats what we run in all the trucks at work and my personal one. Out of all the ones I have changed, I seen one missing part of its tip. Other brands are more likely to fall off in the cylinder and/or swell too much to get them out in 1 pice so we now just buy motorcraft. With good plugs and controller, It should start just as quick as a gasser minus the glowplug heat up time. Good Luck
Senior User
Joined: Jun 2007
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Mine failed and would kick the glow plugs on for 1 second every 19 seconds. If you wire up a switch go with a momentary on switch. I got mine at radio shack and it is a nice 5/8" diameter red button that you have to press and hold for the count.
Senior User
Joined: Feb 2006
Posts: 250
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No to hijack but how would you wire up the glow plug controller? I have an issue with that side of the wiring harness, the side that powers the controller, getting super hot. I replaced the harness and the controller relay but I would like to do away with that if I can. Any help would be greatly appreciated!
Hotshot
Joined: Feb 2004
Posts: 11,697
Likes: 3
From: Marengo, Iowa
Simply apply power to the relay by the momentary as mentioned. It is the purple wire on the relay that looks like the starter relay down on the inner fenderwell. The one on the fender is for the starter.
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
RP27G8G,
What year is your truck?
Two different glow plug systems.
86 and older = old style system
87 and newer = new style system
The parts and locations are completely different from one system to the other.
What year is your truck?
Two different glow plug systems.
86 and older = old style system
87 and newer = new style system
The parts and locations are completely different from one system to the other.