89 Tpi Ecm Wiring Diagram Schematic. 2 splicess between wires in the 85 ecm harness connector 1 wire removal in the 85 ecm harness connector 1 wire addition in the 85 ecm harness connector A 165 ECM from a Donor 86-89 TPI Fbody car 2 relays and harness wiring from a Donor 86-89 TPI Fbody car. Picture shown is for a 90-92 Speed Density harness.
Wire Harness Installation Instructions For Installing. Once you sign in follow these instructions to access our Repair Guides. A schematic reveals the plan and feature for an electric circuit however is not worried about the physical format of the wires.
Three wire connection to ECM plus manifold vacuum GM PN 2131545 16137039 16017460 Delphi PS10076.
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