Precision Turbo and Engine BigStuff3 GEN3 PRO SEFI (LS1) System Hardware & BigComm Software - Manual (Page 122)

BigStuff3 Pro SEFI System (LS1)
Version 1.0 121
91. ECU Pin-out
ECU
Pin
Wire Name ECU
Pin
Wire Name ECU
Pin
Wire Name
A1 Map Signal - B A2 TCC/Ford IAC/Vspeedo A3 Crank IPU+
B1 TPS Signal – C B2 2-Step B3 Crank IPU-
C1 Clt Temp Signal – A C2 Coil 6 - Even F C3 Cam IPU+
D1 Air Temp Signal –A D2 Tach LS1 D3 Cam IPU-
E1 5V 1 E2 Sensor Ground E3 Cam HED – LS1 Cam –A
F1 Stage 3 / Boost - D F2 RUEGO IP - WBO2 – 6 F3 RUEGO IA - WBO2 –2
G1 RUEGO H - WBO2 – 4 G2 RUEGO UN - WBO2 – 1 G3 RUEGO VM - WBO2 – 5
H1 H.S. GM Fuel Pump H2 Coil 7 – Odd B H3 Coil 2 – Even B
J1 Coil 3 – Odd F J2 Vss J3 Crank HED / LS1 Crank – A
K1 Coil 1 – Odd G K2 Bypass/Spare HSO K3 HEI TFI
L1 Coil 4 – Even C L2 Timer Enable / Boost - A L3 +12V Switched
M1 ECM VBat M2 Coil 5 – Odd C M3 Coil 8 – Even G
N1 RS232 Tx - Calport – A N2 RS232 Rx - Calport – C N3 RS232 Gnd - Calport – B
P1 IAC A LO – C P2 IAC A HI - D P3 Pwr Gnd
R1 IAC B LO – A R2 IAC B HI – B R3 Fan Relay
S1 INJ 8 – H S2 INJ 4 – D S3 L. S. Fuel Pump
T1 INJ 7 – G T2 INJ 3 – C T3 Stage 1/ Boost - B
W1 INJ 6 – F W2 INJ 2 – B W3 Stage 2 – Boost - C
X1 INJ 5 – E X2 INJ 1- A X3 Points
Y1 INJ/ECM V Bat 1 Y2 INJ ECM V Bat 2 Y3 Pwr Gnd