Hardware & BigComm Software User guide

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