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Discussion Starter #1
I'm closing in on the finish line in a 2.5 to 4.0 swap and I need to get a part number for the new ECM.

I have a 97 Wrangler TJ w/ manual trans, a/c, 50 state, manufactured 3/96.

The folks selling the ECM want a VIN# but my VIN is naturally for a 2.5. Wont work.

I don't know anybody with a 97 TJ 4.0 to look at theirs.

Somebody here either has one or knows where I can get that part # I bet.

Can anybody direct me to where I need to go?

Alan
 

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Join jeepslimited.com for free then go to download section get FSM and or get parts lists all years wranglers and download and save
 

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Discussion Starter #5
Didn't find a part number for an ECM. I did find the VIN codes but I can't modify mine from 2.5 to 4.0 because of the last 6 build data I understand.

Unless I missed it I think I need to find a 97 Wrangler sport w/ manual trans & a/c manufactured close to 3/96 and get the part number off that ECM.

Any other ideas?

Thanks in advance.
 

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Right where I told you
4886 679 1 EP0 DBB Before July 24, 1997 (w/Manual
Steering) FEDERAL/
CALIFORNIA
4886 689 1 ER0 DG0 Before July 24, 1997 (FEDERAL/
CALIFORNIA)
56041 311AC 1 EP0 DG0 After July 24,1997 (LEADED
FUEL) Middle East
56041 337AD 1 ER0 DBB After July 24,1997 (LEADED
FUEL) Middle East
56041 352AD 1 ER0 DG0 After July 24,1997 (LEADED
FUEL) Middle East
56041 307AD 1 EP0 DBB After July 24,1997 (LEADED
FUEL) Middle East
4886 681 1 EP0 DBB Before July 24, 1997 (w/Middle
East Package) LEADED FUEL
4886 688 1 ER0 DBB Before July 24, 1997 (LEADED
FUEL w/Middle East Package)
4886 691 1 ER0 DG0 Before July 24, 1997 (LEADED
FUEL w/Middle East Package)
4886 685 1 EP0 DG0 Before July 24, 1997 (w/Middle
East Package) LEADED FUEL
4886 680 1 EP0 DBB Before July 24, 1997 (EUROPE w/
Export Package)
4886 683 1 EP0 DG0 Before July 24, 1997 (w/Manual
Steering) FEDERAL/
CALIFORNIA
4886 690 1 ER0 DG0 Before July 24, 1997 (EUROPE w/
Export Package)
4886 687 1 ER0 DBB Before July 24, 1997 (EUROPE w/
Export Package)
56041 306AD 1 EP0 DBB After July 24,1997 (EUROPE w/
Export Package)
56041 310AD 1 EP0 DG0 After July 24,1997 (EUROPE w/
Export Package)
56041 313AD 1 ER0 DBB After July 24,1997 (EUROPE w/
Export Package)
56041 351AD 1 ER0 DG0 After July 24,1997 (EUROPE w/
Export Package)
 

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That was from 97 parts list downloaded from jeep knowledge base on moris 4x4
page 150 of 640
titled
Single Board Engine Controllers (JTEC Module) 1997 TJ
Figure 008-705
MODULE, Powertrain Control

EP0=2.5L Engine
ER0=4.0L Engine
DG0=Automatic Transmission
DBB= Manual Transmission

you should down load and save the pdf as it will be usuful for your swap and is word searchable
 

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In both places can go to keep knowledge center on Morris 4x4 and download right now

But there you can pnly look at not download and save the FSM but on jeepslimited.com you can download FSM but unfortunately their 97 FSM is not the FSM for the 97 it is mislabeled but the 98 is close
 

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I did this swap, and my biggest regret, was not buying a salvage/useable wrecked jeep of the same year fit and moving everything over. I went through the ordeal of trying to piece it together myself, its the long way around and expensive. People want big money for jeep parts but will part with a wrecked one reasonable(if it hasn't been picked through). Trust me, I've spent too much time and money doing this. If your 2.5 runs, sell it and buy another or find a organ donor with all the organs and veins!

Looks like it maybe too late.
 

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If I was looking for a donor I woul look to cherokee they are much less valued and the unibody makes rusted or bent ones pretty cheap
 

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I'm closing in on the finish line in a 2.5 to 4.0 swap and I need to get a part number for the new ECM.

I have a 97 Wrangler TJ w/ manual trans, a/c, 50 state, manufactured 3/96.

The folks selling the ECM want a VIN# but my VIN is naturally for a 2.5. Wont work.

I don't know anybody with a 97 TJ 4.0 to look at theirs.

Somebody here either has one or knows where I can get that part # I bet.

Can anybody direct me to where I need to go?

Alan
Cardone part number 796686 but good luck getting one! I've had one on order since February!!
 

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Any 97-99 XJ or TJ auto or Manual 4.0 calif or federal should make it run fine

On 1999 avoid any with skim
No skim on 97-98

Just for grins I ran an 97 XJ 4.0 auto federal pcm in my 98 TJ 5 speed calif for a few days

Only had 2 issues
1 had a cel with code for no TCM signal

2 Could turn on but not set cruise control as the TJ 5 spd has a jumper wire where the auto has a park neutral switch and the jumper let it start but pcm thought was in park or neutral so cruise control was disabled

Was nice to know the pcm was otherwise plug and play In case I ever had an issue I thought might be pcm related

Used pcm at u pull it are under $40 and xj were real plentiful and still are pretty plentiful but most are auto


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Part numbers here



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