Ignition Module 77 F250?
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Ignition Module 77 F250?
Hey guys, for some reason, after sitting for a couple months, all if a sudden my F250 w/400 lost spark. I got the truck, and it had an MSD distributor and Blaster 2 coil. I need to go through the checks, but cant seem to locate an ignition module. Where should I be looking for this, or is there something I am missing with the MSD?
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Freshman User
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I'm not seeing an ignition module anywhere. Where should it be located?
Lead Driver
Joined: Jul 2017
Posts: 9,602
Likes: 1,174
From: San Jose, CA
The MSD distributor means you may have a self-contained ignition as opposed to the factory Dura Spark with a separate module on the driver's side wheel well/fender area.
You see any part numbers anywhere on the distributor? How many wires coming out of it, and what color?
Might have to pop the cap off and take a peek inside.
But have you verified power to all the usual places? Lots of things can fail from sitting. Ignition modules included perhaps, but not the highest on the list.
When in doubt, post up a picture or four of your under-hood area. Distributor, battery and starter relay/solenoid area, driver's wheel well, etc.
Thanks. And good luck!
Paul
You see any part numbers anywhere on the distributor? How many wires coming out of it, and what color?
Might have to pop the cap off and take a peek inside.
But have you verified power to all the usual places? Lots of things can fail from sitting. Ignition modules included perhaps, but not the highest on the list.
When in doubt, post up a picture or four of your under-hood area. Distributor, battery and starter relay/solenoid area, driver's wheel well, etc.
Thanks. And good luck!
Paul
Senior User
Joined: Jul 2019
Posts: 139
Likes: 3
Not sure which motor you have, but heres the link from my truck (75 with a 360).... It should give you an idea of how rock structures their site for this part: https://www.rockauto.com/en/catalog/...ule+(icm),7172
I think the ignition module in 77 was different so don't order it from the link.
I think the ignition module in 77 was different so don't order it from the link.
Thread Starter
|
Freshman User
Joined: Jul 2013
Posts: 26
Likes: 0
The MSD distributor means you may have a self-contained ignition as opposed to the factory Dura Spark with a separate module on the driver's side wheel well/fender area.
You see any part numbers anywhere on the distributor? How many wires coming out of it, and what color?
Might have to pop the cap off and take a peek inside.
But have you verified power to all the usual places? Lots of things can fail from sitting. Ignition modules included perhaps, but not the highest on the list.
When in doubt, post up a picture or four of your under-hood area. Distributor, battery and starter relay/solenoid area, driver's wheel well, etc.
Thanks. And good luck!
Paul
You see any part numbers anywhere on the distributor? How many wires coming out of it, and what color?
Might have to pop the cap off and take a peek inside.
But have you verified power to all the usual places? Lots of things can fail from sitting. Ignition modules included perhaps, but not the highest on the list.
When in doubt, post up a picture or four of your under-hood area. Distributor, battery and starter relay/solenoid area, driver's wheel well, etc.
Thanks. And good luck!
Paul
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Laughing Gas
Joined: Nov 2013
Posts: 1,207
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From: S.E. Louisiana;so far USA
Ford's Duraspark 2
It was mounted just above the driver's side inside fender with three machine thread screws. It's called the ignition control module (ICM). Someone likely changed it for better performance and/or reliability.
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Thread Starter
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Yep, that's exactly what I was looking for, but didn't see it. I do however recall seeing some empty screw holes where this would have been mounted, and some similar wire connectors on that side of the engine bay just dangling there not connected. I'll confirm when I get back to the truck in the next day or two. So to confirm, if this is gone, the MSD distributor handles this internally? Is something in the distributor a good culprit for my non-spark issue? Or the blaster 2 coil? Or both? Again, I'll get some MSD info when I can.
Laughing Gas
Joined: Nov 2013
Posts: 1,207
Likes: 60
From: S.E. Louisiana;so far USA
Yep, that's exactly what I was looking for, but didn't see it. I do however recall seeing some empty screw holes where this would have been mounted, and some similar wire connectors on that side of the engine bay just dangling there not connected. I'll confirm when I get back to the truck in the next day or two. So to confirm, if this is gone, the MSD distributor handles this internally? Is something in the distributor a good culprit for my non-spark issue? Or the blaster 2 coil? Or both? Again, I'll get some MSD info when I can.
Lead Driver
Joined: Jul 2017
Posts: 9,602
Likes: 1,174
From: San Jose, CA
Hmm, is it even remotely possible that someone swiped your ignition module?
Like an empty tank of gas after some local delinquents get ahold of your gas, maybe someone pilfered your Dura Spark module.
Or instead of delinquents, maybe it's some of your Maico riding buddies playing a trick on you!
Hey, it could happen with some friends!
Since we still haven't seen which distributor you have, or the insides of it, it's hard to tell. They have what they call "ready to run" models that are just that. Simply connect a couple of wires and the coil, and you're ready to run. They have others that require some sort of external control module.
But they may also still have stock replacements with just the magnetic trigger inside. That type would use a stock or similar module.
The plot thickens, and the mystery deepens!
Good luck.
Paul
Like an empty tank of gas after some local delinquents get ahold of your gas, maybe someone pilfered your Dura Spark module.
Or instead of delinquents, maybe it's some of your Maico riding buddies playing a trick on you!
Hey, it could happen with some friends!
Since we still haven't seen which distributor you have, or the insides of it, it's hard to tell. They have what they call "ready to run" models that are just that. Simply connect a couple of wires and the coil, and you're ready to run. They have others that require some sort of external control module.
But they may also still have stock replacements with just the magnetic trigger inside. That type would use a stock or similar module.
The plot thickens, and the mystery deepens!
Good luck.
Paul
Thread Starter
|
Freshman User
Joined: Jul 2013
Posts: 26
Likes: 0
Hmm, is it even remotely possible that someone swiped your ignition module?
Like an empty tank of gas after some local delinquents get ahold of your gas, maybe someone pilfered your Dura Spark module.
Or instead of delinquents, maybe it's some of your Maico riding buddies playing a trick on you!
Hey, it could happen with some friends!
Since we still haven't seen which distributor you have, or the insides of it, it's hard to tell. They have what they call "ready to run" models that are just that. Simply connect a couple of wires and the coil, and you're ready to run. They have others that require some sort of external control module.
But they may also still have stock replacements with just the magnetic trigger inside. That type would use a stock or similar module.
The plot thickens, and the mystery deepens!
Good luck.
Paul
Like an empty tank of gas after some local delinquents get ahold of your gas, maybe someone pilfered your Dura Spark module.
Or instead of delinquents, maybe it's some of your Maico riding buddies playing a trick on you!
Hey, it could happen with some friends!
Since we still haven't seen which distributor you have, or the insides of it, it's hard to tell. They have what they call "ready to run" models that are just that. Simply connect a couple of wires and the coil, and you're ready to run. They have others that require some sort of external control module.
But they may also still have stock replacements with just the magnetic trigger inside. That type would use a stock or similar module.
The plot thickens, and the mystery deepens!
Good luck.
Paul