which igniton control module?
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Senior User
Joined: May 2006
Posts: 117
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which igniton control module?
I've been narrowing down a problem in my truck where it basically falls on its face while under load/ acceleration. I believe the problem is the ignition module(because I replaced it with an old unit I had laying around and it ran perfect). That being said I want to buy a new one but not exactly sure what to get. I believe it is a duraspark II but not certain. How can I know exactly what I have so I can get another? Or, is there a better upgrade to the duraspark II?
Cargo Master
Joined: Dec 2004
Posts: 3,362
Likes: 22
From: Florence, SC
The Duraspark II ignition module will have a BLUE plastic tab on the end of it where the wires come out.
The MOTORCRAFT units are the best. They cost twice as much as the aftermarket, but are twice as reliable.
If your truck is basically stock or even mildly upgraded, there isn't a better upgrade, so save your money.
The MOTORCRAFT units are the best. They cost twice as much as the aftermarket, but are twice as reliable.
If your truck is basically stock or even mildly upgraded, there isn't a better upgrade, so save your money.
Senior User
Joined: Jan 2015
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Take it to an auto parts store first and have them test it, there's nothing worse than ordering a new part, installing it, and finding out it's something else. I know advanced auto parts can test them for free, I took mine there and they were able to.
Posting Guru
Joined: Jul 2015
Posts: 2,239
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From: Northeast Ohio USA
I've been narrowing down a problem in my truck where it basically falls on its face while under load/ acceleration. I believe the problem is the ignition module(because I replaced it with an old unit I had laying around and it ran perfect). That being said I want to buy a new one but not exactly sure what to get. I believe it is a duraspark II but not certain. How can I know exactly what I have so I can get another? Or, is there a better upgrade to the duraspark II?
FTE folks can generally identify what you have when looking at a picture.
Senior User
Joined: Jan 2015
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I think I misread your post... If it's a silver box that is bolted to your driver side wheel well, you have duraspark II. If you have something that is attached to your distributer, you have tfi, lariat is correct, you want the blue grommet, it's where the wires go into the "box"
Junior User
Joined: Nov 2013
Posts: 58
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From: Cle elum, Wa
Rock auto has Motorcraft ignition modules for $34.79. 1983 FORD F-250 5.8L 351cid V8 Ignition Control Module (ICM) | RockAuto
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Lead Driver
Joined: Jul 2009
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From: Sheffield, AL
Rock auto has Motorcraft ignition modules for $34.79. 1983 FORD F-250 5.8L 351cid V8 Ignition Control Module (ICM) | RockAuto
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Laughing Gas
Joined: Nov 2010
Posts: 924
Likes: 4
From: Johns Creek GA
Since the OP seems to have resolved his issue, hopefully it won't be a problem if I derail this conversation slightly...
Does anyone have a feel for how long these modules will be readily available? I'm planning to keep this truck running for the long haul (through the 2035-2040 timeframe, at a minimum), so I'm starting to think about long-term parts availability. I know Ford made a zillion vehicles with Duraspark II, so they'll be around for a while, but should I go ahead and buy a couple now just to be safe?
Does anyone have a feel for how long these modules will be readily available? I'm planning to keep this truck running for the long haul (through the 2035-2040 timeframe, at a minimum), so I'm starting to think about long-term parts availability. I know Ford made a zillion vehicles with Duraspark II, so they'll be around for a while, but should I go ahead and buy a couple now just to be safe?
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 40
From: EXTREME southwest CT
Well, since Ford hasn't produced a DSII vehicle since 1987 I'm amazed there are still modules around.
My truck seems to eat one every 80-100k.
How much do you intend to drive your truck?
My truck seems to eat one every 80-100k.
How much do you intend to drive your truck?
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
Applications: 1976/89 myriad FoMoCo vehicles.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 40
From: EXTREME southwest CT
Medium duty trucks? F53 chassis?
Laughing Gas
Joined: Nov 2010
Posts: 924
Likes: 4
From: Johns Creek GA
I'm currently putting about 2500 miles/year on the truck, and I don't see that changing much going forward...it has just under 129K miles now, so even through 2040 that will only be 190,000 miles. It has a replacement module in there now...but it was in there when I got the truck in 2010, and I have no idea when it was originally installed. So if your numbers hold true for me, I can expect to replace the module one more time...so it sounds like two is the correct number to buy.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
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