W1 OEM-1-B · ECU power +14V (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 NEW-KEYON-1 MAIN-R-COIL+ · Relay coil positive (ignition-switched +12V) — 0.5 mm² (≈20 AWG) — — — × W3 NEW-BATT-1 MAIN-R-IN · Relay contact input (battery + via main fuse) — 0.85 mm² (≈18 AWG) — — — × W4 MAIN-R-COIL- · Relay coil negative (ECU low-side driver) SP-GND-1 — 0.5 mm² (≈20 AWG) — — — × W5 MAIN-R-OUT · Relay contact output (switched +12V bus) FT450-A-A13 · +12V switched — 0.85 mm² (≈18 AWG) — — — × W6 OEM-2-A · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-2-B · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 SP-GND-1 FT450-A-A7 · Power ground — 0.85 mm² (≈18 AWG) — — — × W9 OEM-2-C · Sensor ground (E2) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 OEM-2-D · Sensor ground (E2) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 OEM-2-F · MAF ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 SP-0V-1 FT450-A-A12 · Signal ground — 0.5 mm² (≈20 AWG) — — — × W13 OEM-2-K · +5V sensor supply FT450-A-A14 · +5V sensor supply — 0.5 mm² (≈20 AWG) — — — × W14 OEM-2-E · Crank position (CAS NE) 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-2-G · Cam position (CAS G) FT450-A-A17 · Phase input (cam) — 0.5 mm² (≈20 AWG) — — — × W17 OEM-1-G · Ignition 1 (coils 1+4, wasted spark) FT450-A-A8 · Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-1-H · Ignition 2 (coils 2+3, wasted spark) FT450-A-A9 · Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-2-U · Injector 1 FT450-A-A1 · Injector 1 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W20 OEM-2-V · Injector 2 FT450-A-A2 · Injector 2 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W21 OEM-2-Y · Injector 3 FT450-A-A1 · Injector 1 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W22 OEM-2-Z · Injector 4 FT450-A-A2 · Injector 2 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W23 OEM-2-O · Mass air flow (MAF) FT450-A-A20 · White input 1 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-2-M · Throttle position (TPS) FT450-A-A21 · White input 2 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-2-Q · Coolant temperature (ECT) FT450-A-A24 · White input 5 (water temp) — 0.5 mm² (≈20 AWG) — — — × W26 OEM-1-J · A/C relay FT450-A-A6 · Aux 4 (fuel pump / relays) — 0.5 mm² (≈20 AWG) — — — × W27 OEM-1-R · Cooling fan relay FT450-A-A3 · Aux 1 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-2-S · Condenser fan relay FT450-A-A4 · Aux 2 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-2-T · Fuel pump relay FT450-A-A5 · Aux 3 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-2-N · O2 sensor FT450-A-A22 · White input 3 (TPS) — 0.5 mm² (≈20 AWG) — — — × W31 OEM-2-P · Intake air temperature (IAT) FT450-A-A26 · White input 7 (air temp) — 0.5 mm² (≈20 AWG) — — — × W32 OEM-1-C · Starter input (12V while cranking) FT450-A-A23 · White input 4 (oil pressure) — 0.5 mm² (≈20 AWG) — — — × W33 OEM-1-O · Stop light switch FT450-A-A25 · White input 6 (fuel pressure) — 0.5 mm² (≈20 AWG) — — — ×