Free Shipping. In-stock is a ready made LT4/10L90 harness equipped to run a 1st Gen or 2nd Gen 10L90 transmission (NO ETRS)
This was a harness we made for a customer and didn't get used. This does have a special layout please read below before purchasing.
Harness is made and pinned for a LT4 computer with a Whipple supercharger. Below are the differences that affect how it fits a Whipple 3.0 blower vs LT4.
- Throttle Body Breakout is off cylinder 2 coil connector - 17" long (OEM LT4 is driver side front breakout)
- MAF sensor is passenger side breakout
- Setup for aftermarket accessory drive with self exciting alternator (If Holley FEAD, you can wire up their 4-pin alternator to your own ignition source with their supplied pigtail)
-Direct wire to coolant temperature and oil pressure sending units (omits the OEM GM 10-way front sub-harness)
- 2017+ Computer Wiring for an engine equipped with a 3-wire FRP sensor on the rear
- Will operate a LT4 computer equipped with a 1st Gen 10L (T87A) or 2nd Gen 10L (T93)
- Has provisions for a discontinued Rostra cruise module (we no longer sell, you will ignore this connection)
- Supercharger Bypass, SCIAP, and Barometric pressure sensors are omitted on this build
- Equipped with the LT4 T-MAP (4-way) connector in the center rear of the engine
- Fuel Pump Trigger Wire provided (setup for a return style fuel setup). You'll wire this +12V output to your own fuel pump relay.
- Wired for C6 Vette, 5th Gen Camaro, or GMPP accelerator pedal
(COMPUTER WIRING CAN BE CONFIGURED TO SUIT A LT1/10L E92 ECM upon request prior to shipping)
