W1 OEM-1-B · ECU power +14V (main 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-2-A · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W4 OEM-2-B · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W5 SP-GND-1 FT450-A-A7 · Power ground — 0.85 mm² (≈18 AWG) — — — × W6 OEM-2-C · Sensor ground (E2) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W7 OEM-2-D · Sensor ground (E2) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W8 SP-0V-1 FT450-A-A12 · Signal ground — 0.5 mm² (≈20 AWG) — — — × W9 OEM-2-K · +5V sensor supply FT450-A-A14 · +5V sensor supply — 0.5 mm² (≈20 AWG) — — — × W10 OEM-2-E · Crank position (CAS NE) FT450-A-A18 · RPM reference (crank -) — 0.5 mm² (≈20 AWG) — — — × W11 SP-0V-1 FT450-A-A18 · RPM reference (crank -) — 0.5 mm² (≈20 AWG) — — — × W12 OEM-2-G · Cam position (CAS G) FT450-A-A17 · Phase input (cam) — 0.5 mm² (≈20 AWG) — — — × W13 OEM-1-G · Ignition 1 (coils 1+4, wasted spark) FT450-A-A8 · Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W14 OEM-1-H · Ignition 2 (coils 2+3, wasted spark) FT450-A-A9 · Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W15 OEM-2-U · Injector 1 & 3 (batch) FT450-A-A1 · Injector 1 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W16 OEM-2-V · Injector 2 & 4 (batch) FT450-A-A2 · Injector 2 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W17 OEM-2-Y · Injector 3 (California sequential) FT450-A-A1 · Injector 1 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W18 OEM-2-Z · Injector 4 (California sequential) FT450-A-A2 · Injector 2 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W19 OEM-2-Q · Coolant temperature (ECT) FT450-A-A24 · White input 5 (water temp) — 0.5 mm² (≈20 AWG) — — — × W20 OEM-1-J · A/C relay FT450-A-A6 · Aux 4 (fuel pump / relays) — 0.5 mm² (≈20 AWG) — — — × W21 OEM-1-R · A/C extra cooling fan relay FT450-A-A3 · Aux 1 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-1-E · Malfunction indicator lamp (MIL) FT450-A-A4 · Aux 2 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-2-W · Idle speed control (ISC) valve FT450-A-A5 · Aux 3 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-2-O · Air flow meter (AFM) FT450-A-A20 · White input 1 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-2-M · TPS signal (A/T) FT450-A-A21 · White input 2 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-2-N · O2 sensor FT450-A-A22 · White input 3 (TPS) — 0.5 mm² (≈20 AWG) — — — × W27 OEM-2-P · Intake air temperature (IAT) FT450-A-A26 · White input 7 (air temp) — 0.5 mm² (≈20 AWG) — — — × W28 OEM-1-C · Start signal FT450-A-A23 · White input 4 (oil pressure) — 0.5 mm² (≈20 AWG) — — — × W29 OEM-1-N · Wide-open throttle switch FT450-A-A25 · White input 6 (fuel pressure) — 0.5 mm² (≈20 AWG) — — — ×