Painless Performance Products EFI Wiring Harness 1996-2000 GM Truck Vortec 7.4L V8 (MPFI) w/4L80E Transmission
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EFI Wiring Harness - 1996-2000 GM 7.4L Vortec
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.
Specifications:
I have a 1996 c3500. Is this harness complete for engine and auto trans? Does it work with Factory PCM or is it required PCM update?
I have a 99 chevy 7.4 and a 94 4l80e..can harness be made for that combo..
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.