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Youll need to change the connectors to fit the newer ECM. They will now be one 32-pin and one 24-pin instead of the edge-board connectors that were on the 82 ECM. Youll also need to change the position of some of the wires and run a jumper for each of the injector drivers. NAPA has the metal connector terminals, and you can get the plastic connector at a salvage yard; or Chris can supply the connector, terminals, pliers, and diagram for the wire changes.