
EFI Wiring Harness 1996-2000 GM Truck Vortec 7.4L V8 (MPFI) w/4L80E Transmission
- EFI Wiring Harness
- 1996-2000 GM Truck Vortec 7.4L V8 (MPFI) w/4L80E Transmission
For installations of 1996-2000 V8 7.4L MPFI engines with 4L80E transmissions using an ECM with service #16244210 or 16229684 into any vehicle. The harness includes all connections needed for fuel injection and transmission operation: ECM, Ignition Module, IAT, CTS, Coil, Left & Right O2, MAP, IAC, Distributor, CKP, Knock, Fuel Injectors, TPS, Oil Pressure, Brake Switch, Tachometer and VSS outputs, Fuseblock, OBDII, MAF, Fuel Pump Relay, VSS, ISS, and 4L80E Transmission.
This standard length harness includes a fuse block with ignition and fuel pump relays. Four feet of harness between ECM connections and main engine breakout gives ample room for a custom installation and mounting of ECM behind or under the dash or glove box.





