W1 OEM-B-1 · Power source 1 (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-B-9 · Power source 2 (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 G4XMONSOONX-A-A5 · +14V ECU Power — 0.85 mm² (≈18 AWG) — — — × W4 OEM-B-10 · Power ground 2 SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W5 OEM-B-2 · Power ground 1 SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-B-20 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-B-22 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 SP-GND-1 G4XMONSOONX-A-A25 · System Ground — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 G4XMONSOONX-A-A34 · System Ground — 0.85 mm² (≈18 AWG) — — — × W10 OEM-C-18 · Sensor ground 2 SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 OEM-C-30 · Cam (TDC2) sensor − SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 OEM-C-31 · Timing ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 OEM-C-7 · Sensor ground 1 SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W14 SP-0V-1 G4XMONSOONX-A-A24 · Sensor Ground — 0.5 mm² (≈20 AWG) — — — × W15 OEM-C-19 · Sensor 5V supply 1 (MAP) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W16 OEM-C-28 · Sensor 5V supply 2 SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W17 SP-5V1-1 G4XMONSOONX-A-A32 · +5V Out — 0.5 mm² (≈20 AWG) — — — × W18 OEM-C-8 · Crank sensor + (CKP+) G4XMONSOONX-A-A8 · Trigger 1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-C-9 · Crank sensor − (CKP−) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-C-20 · Cam (TDC1) sensor + G4XMONSOONX-A-A9 · Trigger 2 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-C-21 · Cam (TDC1) sensor − SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-C-29 · Cam (TDC2) sensor + G4XMONSOONX-A-A30 · Digital Input 1 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-C-4 · Ignition coil 1 G4XMONSOONX-A-A13 · Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-C-12 · Ignition coil 2 G4XMONSOONX-A-A12 · Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-C-13 · Ignition coil 3 G4XMONSOONX-A-A11 · Ignition 3 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-C-14 · Ignition coil 4 G4XMONSOONX-A-A10 · Ignition 4 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-B-11 · Injector 1 G4XMONSOONX-A-A4 · Injector 1 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-B-3 · Injector 2 G4XMONSOONX-A-A3 · Injector 2 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-B-4 · Injector 3 G4XMONSOONX-A-A2 · Injector 3 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-B-5 · Injector 4 G4XMONSOONX-A-A1 · Injector 4 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-A-15 · Fuel pump relay (USDM) G4XMONSOONX-A-A21 · Aux 1 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-A-16 · Fuel pump relay (JDM) G4XMONSOONX-A-A20 · Aux 2 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-A-17 · A/C clutch relay G4XMONSOONX-A-A19 · Aux 3 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-A-20 · Radiator fan relay G4XMONSOONX-A-A18 · Aux 4 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-A-28 · Air pump relay G4XMONSOONX-A-A27 · Aux 5 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-B-12 · VTEC solenoid RLY1-R-OUT · Relay contact output (switched +12 V to load) — 0.5 mm² (≈20 AWG) — — — × W37 SP-14V-1 RLY1-R-IN · Relay contact input (switched +12 V) — 0.5 mm² (≈20 AWG) — — — × W38 SP-14V-1 RLY1-R-COIL+ · Relay coil positive (switched +12 V) — 0.5 mm² (≈20 AWG) — — — × W39 RLY1-R-COIL- · Relay coil negative (ECU low-side driver) G4XMONSOONX-A-A26 · Aux 6 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-C-17 · MAP sensor G4XMONSOONX-A-A17 · Analog Volt 1 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-C-27 · Throttle position sensor G4XMONSOONX-A-A22 · Analog Volt 2 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-A-23 · Secondary O2 sensor G4XMONSOONX-A-A33 · Analog Volt 3 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-C-15 · Secondary O2 sensor G4XMONSOONX-A-A14 · Analog Volt 4 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-C-26 · Coolant temp sensor G4XMONSOONX-A-A15 · Analog Temp 1 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-C-25 · Intake air temp sensor G4XMONSOONX-A-A16 · Analog Temp 2 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-A-9 · Vehicle speed sensor G4XMONSOONX-A-A31 · Digital Input 2 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-C-5 · Alternator FR signal G4XMONSOONX-A-A23 · Digital Input 3 — 0.5 mm² (≈20 AWG) — — — ×