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post #1 of (permalink) Old 04-14-2002, 01:48 PM
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MPI Conversion - PCM & Circuits Needed?

Doing the MPI Conversion using FI from an 1995 Cherokee. Have essentially most everything needed from the 95. Have schematics for the donor-95 cherokee and recepient-85 CJ7. Have reviewed the sites on hooking up the Chrysler MPI and note some questionable differences. The 95 PCM appears to link data a brake sensor, gear sensor, etc in controlling the throttle body and fuel. I have not seen where these sensors are used in the Aftermarket MPI kits.

Can these circuits or sensors be not used and the PCM will adapt - using data from other sensors (temp, air, O2, etc)?

What circuits actually need to be used (pins) to hook up the PCM?

Has anyone developed a schematic for hooking up FI from donor vehicles (95)?

Appreciate your comments - looking forward to moving on this project soon. The Grape CJ tells me it's anxious for a brain transplant!

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