Pin 1 = KAPWR (keep alive power) = yellow
Pin 2 = BOO (brake on/off) (E4OD only) = light green
Pin 3 = PSOM + (Programmable Speedo/Odo Module) (square wave vss signal from PSOM) gray/black
Pin 4 = IDM (Ignition Diagnostic Monitor) = yellow/black
Pin 6 = PSOM - (Programmable Speedo/Odo Module) (square wave vss signal from PSOM) pink/orange
Pin 7 = ECT (Engine Coolant Temp) = light green/red
Pin 8 = Fuel Pump Monitor (monitors secondary side of fuel pump relay for feedback) = dark green/yellow
Pin 9 = SCP - (data bus -, may not be equipped on MAP vehicles) = pink/light blue
Pin 10 = A/C clutch = pink/light blue (yes, duplicate color)
Pin 11 = Secondary Air Diverter (all models W/O E4OD) = brown
Pin 12 = 4x4 Low Range input (4x4 only) light blue/black
Pin 16 = Ignition Ground (Hall effect ground in dist) = orange/red
Pin 17 = STO/MIL (Self Test Output) = pink/light green
Pin 19 = SS2 (Shift Solenoid 2) (E4OD only) = purple/orange
pin 20 = Case ground = black
Pin 21 = IAC (Idle Air Control) = white/light blue
Pin 22 = FP (Fuel Pump) (Grounds coil of FP relay) = light blue/orange
Pin 23 = KS (Knock Sensor) = yellow/red
Pin 25 = IAT (Intake Air Temp) = gray
Pin 26 = VREF (5v supply to sensors) = brown/white
Pin 27 = EVP (Egr Valve Position) = brown/light green
Pin 28 = SCP + (data bus +, may not be equipped on MAP vehicles) = tan/orange
Pin 29 = HO2S (Heated Oxygen Sensor) = gray/light blue
Pin 30 = P/N (Park/Neutral switch( (C6 only) = light blue/yellow
Pin 31 = CANP (Canister Purge Solenoid) (all models W/O E4OD) = gray/yellow
Pin 32 = TCIL (Trans OD Cancel Lamp) (in cluster) = white/light green
Pin 33 = EVR (Egr Vacuum Regulator) = brown/pink
Pin 36 = SPOUT (SPark OUTput) = pink
Pin 37 = VPWR (Vehicle Power) = red
Pin 38 = EPC (Electronic Pressure Control) (E4OD only) = white/yellow
Pin 40 = PWR GND (Power Ground) = black/white
Pin 41 = TCS (Tran OD Cancel Switch) (E4OD only) = tan/white
Pin 42 = TFT (Trans Fluid Temp) (E4OD only) = orange/black
Pin 43 = A/C Demand (taps into A/C clutch circuit for idle up) = purple
Pin 45 = MAP (Manifold Absolute Pressure) = light green/black
Pin 46 = SIG RTN (Signal Return( (ground path for sensors) = gray/red
Pin 47 = TPS = (Throttle Position Sensor) = gray/white
Pin 48 =STI (self Test Input) = white/purple
Pin 49 = HO2S GND (Heated Oxygen Sensor Ground)= orange
Pin 51 = Secondary Air Bypass = white/orange
Pin 52 = SS1 (Shift Solenoid 1) (E4OD only) = orange/yellow
Pin 53 = TCC (Torque Converter Clutch) (E4OD only) = pink/yellow
Pin 55 = CCS (Converter Coast Solenoid) (E4OD only) = brown/orange
Pin 56 = PIP (Profile Ignition Pickup) = gray/orange
Pin 57 = VPWR (Vehicle Power) = red
Pin 58 = INJBANK1 (Injector Bank 1) (cyls 1,3,5) = tan
Pin 59 = INJBANK2 (Injector Bank 2) (cyls 2,4,6) = white
Pin 60 = PWR GND (Power Ground) = black/white
This is for a 1994 F150 4.9L 60 pin ECM.
Pins 37 and 57 and 40 and 60 are redundant circuits for additional current handling.
-Your harness colors may be different, Ford is notorious for substituting wire colors. The PIN location in the connector is what is important.