W1 OEM-D-12 · EFI main relay power (+B) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-D-13 · EFI main relay power (second feed) (+B1) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W3 NEW-KEYON-1 MAIN-R-COIL+ · Relay coil positive (ignition-switched +12V) — 0.5 mm² (≈20 AWG) — — — × W4 NEW-BATT-1 MAIN-R-IN · Relay contact input (battery + via main fuse) — 5 mm² (≈10 AWG) — — — × W5 MAIN-R-COIL- · Relay coil negative (ECU low-side driver) SP-GND-1 — 0.5 mm² (≈20 AWG) — — — × W6 MAIN-R-OUT · Relay contact output (switched +12V bus) FT450-A-A13 · +12V switched — 5 mm² (≈10 AWG) — — — × W7 OEM-A-26 · Power ground (E01/E02) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 SP-GND-1 FT450-A-A7 · Power ground — 0.85 mm² (≈18 AWG) — — — × W9 OEM-B-9 · Sensor ground (E1) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 SP-0V-1 FT450-A-A12 · Signal ground — 0.5 mm² (≈20 AWG) — — — × W11 OEM-A-12 · Injectors 1 & 4 (No.10) FT450-A-A1 · Injector 1 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W12 OEM-A-11 · Injectors 2 & 6 (No.20) FT450-A-A2 · Injector 2 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W13 OEM-A-25 · Injectors 3 & 5 (No.30) FT450-A-A1 · Injector 1 (Bank A) — 0.5 mm² (≈20 AWG) — — — × W14 FT450-A-A6 · Aux 4 (fuel pump / relays) NEW-FUELPUMP-1 — 0.5 mm² (≈20 AWG) — — — × W15 OEM-D-4 · EFI main relay control (M-REL) FT450-A-A3 · Aux 1 — 0.5 mm² (≈20 AWG) — — — × W16 OEM-B-11 · Throttle position sensor (VTA) FT450-A-A20 · White input 1 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-B-4 · Coolant temp (THW) FT450-A-A24 · White input 5 (water temp) — 0.5 mm² (≈20 AWG) — — — × W18 OEM-B-6 · Primary O2 sensor (OX1) FT450-A-A21 · White input 2 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-D-3 · Intake air temp (THA) FT450-A-A26 · White input 7 (air temp) — 0.5 mm² (≈20 AWG) — — — × W20 OEM-D-10 · A/C compressor request (A/C) FT450-A-A22 · White input 3 (TPS) — 0.5 mm² (≈20 AWG) — — — × W21 OEM-D-11 · Starter signal (STA) FT450-A-A23 · White input 4 (oil pressure) — 0.5 mm² (≈20 AWG) — — — × W22 OEM-D-22 · Neutral start switch (NSW) FT450-A-A25 · White input 6 (fuel pressure) — 0.5 mm² (≈20 AWG) — — — ×