ignition control module
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ignition control module
I have a 1985 f-150 with A 4.9 liter. I've been having problems with the ECM. I purchased a aftermarket distributor that just has A pigtail that has a three prong female plug. I'm trying to get away from the ignition control module. Is there any way in my truck's wiring harness to wire in this different pigtail? The original pigtail is 6 wires. Can anyone tell me how this can be done? Thank you...
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 40
From: EXTREME southwest CT
Sounds like a DSII swap.
What colors are the wires?
Black, orange and purple?
Does it have a vacuum advance?
You wil need the blue Duraspark module, a DSII compatible coil and the OEM harness between the three.
All the other wiring and plugs already exist in your truck's harness.
What colors are the wires?
Black, orange and purple?
Does it have a vacuum advance?
You wil need the blue Duraspark module, a DSII compatible coil and the OEM harness between the three.
All the other wiring and plugs already exist in your truck's harness.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 40
From: EXTREME southwest CT
The coil and module can be found through any LAP.
I would suggest a quality module like the Echlin TP40 over a $19.95 module from Autozone.
The harness is a junkyard item and will include the proper distributor and coil connector, and a socket for the o/p/b pigtail of the module.
You will likely need to unwrap a bit of the harness on your fender in order to find the white and red DSII socket to plug into the other side of the module.
Painless wiring makes one but it is stupid expensive and reports say the four pin connector is miswired from the jumper.
I would suggest a quality module like the Echlin TP40 over a $19.95 module from Autozone.
The harness is a junkyard item and will include the proper distributor and coil connector, and a socket for the o/p/b pigtail of the module.
You will likely need to unwrap a bit of the harness on your fender in order to find the white and red DSII socket to plug into the other side of the module.
Painless wiring makes one but it is stupid expensive and reports say the four pin connector is miswired from the jumper.
Thread Starter
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New User
Joined: Sep 2015
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OK thanks alot. You've been alot of help. My name is Adam. I just became a member today. I've had my f150 for about 10 yrs. Hopefully after I make these changes it will solve this ecm problem. Thanks again. TTYL
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pedant
Joined: Jan 2008
Posts: 23,576
Likes: 40
From: EXTREME southwest CT
Welcome to the forum Adam! 
I'm on my phone so I don't see any sigs or post numbers or anything like that.
Have you ever considered just relocating your TFI to a heatsink?
There are two sites I can think of that sell a harness.
One is a a Mustang page, the other a Miata/5.0l swap page.
http://www.mccullyracingmotors.com/index_files/tfikits.htm
http://www.fatfoxx.com/products.php
I'm on my phone so I don't see any sigs or post numbers or anything like that.
Have you ever considered just relocating your TFI to a heatsink?
There are two sites I can think of that sell a harness.
One is a a Mustang page, the other a Miata/5.0l swap page.
http://www.mccullyracingmotors.com/index_files/tfikits.htm
http://www.fatfoxx.com/products.php
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From: Simi Valley, CA
1U2Z-12A199-AA (replaced D6AZ-12A199-B & D9VZ-11A199-A) .. Ignition Module - Blue (Motorcraft DY-893) / Available from Ford & auto parts stores.
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Applications: Myriad 1976/90's FoMoCo vehicles.
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