1996 vs 1997 ECU
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- Posts: 1
- Joined: June 14th, 2021, 7:17 am
- Stroker Displacement: 4.7
- Vehicle Year: 1991
- Vehicle Make: Jeep
- Vehicle Model: Comanche
1996 vs 1997 ECU
I am going to convert my 1991 Comanche to OBD2. I already have a 1996 cherokee engine and dash harness but I do not currently have an ECU. Can I use a 1997-1999 (pre coil pack) ECU or do I need to use a 1996 ECU to have everything work correctly? I heard that maybe the 1991-1996 tach does not work with the 1997-1999 ECUs? If true is there an easy modification to make it work?
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