W1 OEM-A-23 · ECU main power (from engine-electronics relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 FT450-A-A13 · +12V switched — 0.85 mm² (≈18 AWG) — — — × W3 OEM-A-1 · Ground (E-1) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W4 OEM-A-10 · Ground (OBD1 EGR enable) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W5 OEM-A-55 · Ground (E-3) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-A-56 · Ground (E-4) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-A-7 · Ground (E-2) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 SP-GND-1 FT450-A-A7 · Power ground — 0.85 mm² (≈18 AWG) — — — × W9 OEM-A-16 · MAF ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 OEM-A-33 · Sensor ground bus SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 OEM-A-67 · Crank sensor return (VR-) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 SP-0V-1 FT450-A-A12 · Signal ground — 0.5 mm² (≈20 AWG) — — — × W13 OEM-A-41 · TPS power (+5V) FT450-A-A14 · +5V sensor supply — 0.5 mm² (≈20 AWG) — — — × W14 OEM-A-68 · Crank position sensor (G28, VR+) FT450-A-A18 · RPM reference (crank -) — 0.5 mm² (≈20 AWG) — — — × W15 SP-0V-1 FT450-A-A18 · RPM reference (crank -) — 0.5 mm² (≈20 AWG) — — — × W16 OEM-A-44 · Camshaft position sensor (G40) FT450-A-A17 · Phase input (cam) — 0.5 mm² (≈20 AWG) — — — × W17 OEM-A-8 · Ignition coil 2 (coil pack pin 2) FT450-A-A8 · Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-A-60 · Ignition coil 3 (coil pack pin 3) FT450-A-A9 · Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-A-52 · Ignition coil 4 (coil pack pin 4) FT450-A-A10 · Ignition 3 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-A-24 · Injector 1 (cyl 1) FT450-A-A1 · Injector 1 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W21 OEM-A-3 · Injector 2 (cyl 2) FT450-A-A2 · Injector 2 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W22 OEM-A-26 · Injector 3 (cyl 3) FT450-A-A1 · Injector 1 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W23 OEM-A-4 · Injector 4 (cyl 4) FT450-A-A2 · Injector 2 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W24 OEM-A-25 · Injector 5 (cyl 5) FT450-A-A1 · Injector 1 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W25 OEM-A-2 · Injector 6 (cyl 6) FT450-A-A2 · Injector 2 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W26 OEM-A-17 · MAF signal FT450-A-A20 · White input 1 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-A-40 · Throttle position sensor 1 FT450-A-A21 · White input 2 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-A-14 · Coolant temperature (CLT) FT450-A-A24 · White input 5 (water temp) — 0.5 mm² (≈20 AWG) — — — × W29 OEM-A-49 · Secondary air injection relay control FT450-A-A6 · Aux 4 (fuel pump / relays) — 0.5 mm² (≈20 AWG) — — — × W30 OEM-A-6 · Fuel pump relay control FT450-A-A3 · Aux 1 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-A-9 · Engine electronics relay control FT450-A-A4 · Aux 2 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-A-27 · Idle air control valve FT450-A-A5 · Aux 3 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-A-20 · O2 sensor 1 (primary) FT450-A-A22 · White input 3 (TPS) — 0.5 mm² (≈20 AWG) — — — × W34 OEM-A-15 · EGR temperature sensor FT450-A-A26 · White input 7 (air temp) — 0.5 mm² (≈20 AWG) — — — × W35 OEM-A-36 · Intake air temperature (IAT) FT450-A-A23 · White input 4 (oil pressure) — 0.5 mm² (≈20 AWG) — — — × W36 OEM-A-37 · A/C compressor switch FT450-A-A25 · White input 6 (fuel pressure) — 0.5 mm² (≈20 AWG) — — — ×