PCM Help Needed
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Junior User
Joined: May 2012
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From: Williston, ND
PCM Help Needed
I pulled the PCM out of my 1987 F150 2wd with a 302 and a C6 auto. The code on it is E7TF-12A650-AU1B. I believe that is a PCM code for a truck like mine, but there is another sticker on the PCM that says "3.0L TAURUS/SABLE ONLY". I opened it up and it does not look like examples of truck EEC-IV computers that I have seen. It only has one capacitor instead of the normal 3. I don't have a camera with me right now, or I would post a picture. Hopefully I'll be able to get pictures up later. If anybody could give me any info I would really appreciate it.
Fleet Owner
Joined: Oct 2005
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From: Kentucky
I think you have the correct PCM.
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Junior User
Joined: May 2012
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From: Williston, ND
Pictures of PCM from Pickup
I got some pictures of the PCM that I pulled from my pickup today.
I believe this information is correct for my pickup
I looked around more at the case and found this
I opened up the case and inside looks fine, but I noticed there was only one electrolytic capacitor, don't the truck computers have 3?
I am the 3rd owner of the pickup and any work that has been done on it was done by the 1st owner. I recently got it and the previous owner had neglected it, didn't really drive it, and eventually just parked it by the barn. The pickup never had the power that it should have had before it was parked. Now that I have it, it'd been sitting for a couple years and I've repaired all problems that I have been able to find. When I can get the pickup to start, it usually backfires and will not idle or stay running for any length of time unless I pump the throttle when it starts cutting out. It has an obviously low-end aftermarket ICM on it and this computer that I'm not 100% sure about. I believe my problem is this computer, the ICM, or something in the fuel system (such as the fuel pressure regulator or high pressure fuel pump). I really want to save this pickup because I believe that there's a very good chance that it only has just under 54,000 original miles. Thanks for any help in advance.
I believe this information is correct for my pickup
I looked around more at the case and found this
I opened up the case and inside looks fine, but I noticed there was only one electrolytic capacitor, don't the truck computers have 3?
I am the 3rd owner of the pickup and any work that has been done on it was done by the 1st owner. I recently got it and the previous owner had neglected it, didn't really drive it, and eventually just parked it by the barn. The pickup never had the power that it should have had before it was parked. Now that I have it, it'd been sitting for a couple years and I've repaired all problems that I have been able to find. When I can get the pickup to start, it usually backfires and will not idle or stay running for any length of time unless I pump the throttle when it starts cutting out. It has an obviously low-end aftermarket ICM on it and this computer that I'm not 100% sure about. I believe my problem is this computer, the ICM, or something in the fuel system (such as the fuel pressure regulator or high pressure fuel pump). I really want to save this pickup because I believe that there's a very good chance that it only has just under 54,000 original miles. Thanks for any help in advance.
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Junior User
Joined: May 2012
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From: Williston, ND
Ford Engine Computer ECM ECU PCM E7TF12A650AU1B : Amazon.com : Automotive
I think you have the correct PCM.
I think you have the correct PCM.
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Joined: Nov 2007
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From: Denver Metro Area, CO
ID: E7TF-12A650-AU1B = E9TZ-12A650-ARA (replaces E7TZ-12A650-AVB).
To figure out which computer you need for your truck (and perhaps what this computer was used in), I need the Calibration Code from you.... this might be on a sticker on the driver's side door jamb, else it's on the engine:
I don't know anything about the Taurus/Sable denotations on the sticker....
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Junior User
Joined: May 2012
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From: Williston, ND
This is a valid ID used in trucks:
ID: E7TF-12A650-AU1B = E9TZ-12A650-ARA (replaces E7TZ-12A650-AVB).
To figure out which computer you need for your truck (and perhaps what this computer was used in), I need the Calibration Code from you.... this might be on a sticker on the driver's side door jamb, else it's on the engine:
I don't know anything about the Taurus/Sable denotations on the sticker....
ID: E7TF-12A650-AU1B = E9TZ-12A650-ARA (replaces E7TZ-12A650-AVB).
To figure out which computer you need for your truck (and perhaps what this computer was used in), I need the Calibration Code from you.... this might be on a sticker on the driver's side door jamb, else it's on the engine:
I don't know anything about the Taurus/Sable denotations on the sticker....
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Moderator
Joined: Nov 2007
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From: Denver Metro Area, CO
Hmmm.... I'm gonna be in California next (and the following) weekend - oddly enough, visiting NumberDummy. 
I'm sure he has the resources to figure this out at his house, so, if you post your stuff, we'll see what we can do....
I'm sure he has the resources to figure this out at his house, so, if you post your stuff, we'll see what we can do....
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Junior User
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From: Williston, ND
That's some great timing, haha. I will definitely try to get some info posted. Thank you.
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Junior User
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From: Williston, ND
Thanks for the reply; now that you mention it, that is off. Every other EEC-IV computer I've ever seen has had the connector sticker on fairly straight. The original owner was an elderly farmer and I can tell from work that's been done and some things that I've had to repair; whoever had been working on the truck for him wasn't the most competent mechanic and may have been a little on the dishonest side, so it wouldn't surprise me if someone did some swapping.
Fleet Mechanic
Joined: Nov 2011
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From: New York
The "GU1" catch-code is for a '87 5.0 Automatic so it looks like you're fine. I haven't opened up any truck PCM's of this era to verify that they only have one capacitor - I suspect it's just an earlier version and they only had one on the earlier designs.
Pay no mind to the Taurus/Sable 3.0 sticker. I've seen that on all sorts of different EEC-IV cases, none of which have a 3L motor nor were they in a Taurus/Sable. It may mean it's a replacement unit - that would be a good thing.
Pay no mind to the Taurus/Sable 3.0 sticker. I've seen that on all sorts of different EEC-IV cases, none of which have a 3L motor nor were they in a Taurus/Sable. It may mean it's a replacement unit - that would be a good thing.
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Junior User
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From: Williston, ND
Thanks for the reply; I probably will look around for another one.
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Junior User
Joined: May 2012
Posts: 80
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From: Williston, ND
The "GU1" catch-code is for a '87 5.0 Automatic so it looks like you're fine. I haven't opened up any truck PCM's of this era to verify that they only have one capacitor - I suspect it's just an earlier version and they only had one on the earlier designs.
Pay no mind to the Taurus/Sable 3.0 sticker. I've seen that on all sorts of different EEC-IV cases, none of which have a 3L motor nor were they in a Taurus/Sable. It may mean it's a replacement unit - that would be a good thing.
Pay no mind to the Taurus/Sable 3.0 sticker. I've seen that on all sorts of different EEC-IV cases, none of which have a 3L motor nor were they in a Taurus/Sable. It may mean it's a replacement unit - that would be a good thing.