GMC C3500 HD (1991-2000) ect input wiring diagram
This page shows the only wiring diagram for the component.ect input, which is found in the car GMC C3500 HD (1991-2000). This component is only found in one wiring diagram on your vehicle, and you can see its details here. If necessary, you can also go to other diagrams for this system for more information..
ect input wiring diagram (1 of 1)
16 17 18 PPL
39 40 41 PPL
ACTUAL GAS
AF ECU BAT
AF ECU GND
AF ECU IGN
ALTERNATIVE FUEL ENGINE CONTROL UNIT (LEFT SIDE OF ENGINE COMPT)
BLK WIRE
BRN WIRE
BRN/WHT WIRE
CLASS 2 DATA
CNG FUSE
DK BLU WIRE
DK GRN WIRE
DK GRN/WHT WIRE
ECT INPUT
EGR SENS
F PMP RLY
FPS SIG
FPS/FTS GND
FTS SIG
FUEL LEV OUT
FUEL PRESSURE SENSOR (END OF CNG FUEL TANK)
FUEL TEMPERATURE SENSOR (END OF CNG FUEL TANK)
GAS FLOW OUT
GAUGE SEL SW
GRY WIRE
HI PRES LO
HOT AT ALL TIMES UNDER HOOD FUSE/RELAY CENTER
HOT IN RUN, BULB TEST AND START
IAT INPUT
IGN E FUSE
IND CTRL
LOW PRES LO
LT BLU WIRE
LT BLU/WHT WIRE
LT GRN WIRE
MAF INPUT
MAP INPUT
MIL CTRL
MIL OUT
NGO ENABLE
ORG/ WIRE
PNK 2 3 4 5 6 7 WIRE
PNK 24 25 26 27 28 29 30 31 32 33 34 35 36 37 WIRE
PNK PNK PNK 3 4 5 6 7 8 9 10 11 12 13 14 WIRE
PNK PNK PNK 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 WIRE
PNK WIRE
PPL
PPL/WHT WIRE
RED WIRE
RED/BLK WIRE
RELAY CTRL
SENSOR GND
SERIAL DATA
TAN WIRE
TAN/WHT WIRE
TP SENSOR
VSS INPUT
WHT WIRE
YEL WIRE
YEL/BLK WIRE
Go to component -> Wiring diagram engine performance 5.7l vin ks (3 of 6) -> ECT INPUT
