Precision Turbo and Engine BigStuff3 GEN3 PRO SEFI System Hardware & BigComm Software - Manual (Page 6)

BigStuff3 Pro SEFI System
Version 2.1 – February 2011 6
- Pan Vacuum - Accelerometer - Clutch or trans-brake input
- TCC % slip - MPH
 Auxiliary control of:
- Fuel Pump (High & Low Side drive) - 2 spare high & low side outputs
- Torque converter clutch - 1 spare PWM high & low side output
- 1 to 3 stage boost control - Fan low & high speed control
3. Package Contents – Base System with DAI
The BigStuff Engine Management System includes the following components:
 Black, powder coated aluminum Engine Control Unit (ECU)
 Main Wire Harness
 Injector Harness
 Wide-band Oxygen Sensor (handle with care!)
 Communication Cable
The base GEN3 system for distributor ignition applications includes the following three sensor kits.
The 4-way connector to the left is the mating half connector to the “Boost”, which is located on the
main wire harness. The terminal and seal provided need to go into terminal location “A” used to
trigger the internal (Replay) data logger and “Timer Enable” wire. Fore more information on how to
wire and use these base system features go to the
Boost section below.
Injector Wire Harness
BigStuff
ECU
Main Wire
Harness
Wide Band Oxygen (O2)
Sensor
Communications Cable