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 MAXXECUSTREE-C1-M4 · +12V ECU power supply — 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 MAXXECUSTREE-C1-L4 · Engine GND — 0.85 mm² (≈18 AWG) — — — × W9 OEM-C-18 · Sensor ground 2 SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 OEM-C-30 · Cam (TDC2) sensor − SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 OEM-C-31 · Timing ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 OEM-C-7 · Sensor ground 1 SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 SP-0V-1 MAXXECUSTREE-C1-H1 · Sensor GND — 0.5 mm² (≈20 AWG) — — — × W14 SP-0V-1 MAXXECUSTREE-C1-H2 · Trigger GND — 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 MAXXECUSTREE-C1-G1 · +5V sensor supply — 0.5 mm² (≈20 AWG) — — — × W18 OEM-C-8 · Crank sensor + (CKP+) MAXXECUSTREE-C1-H3 · TRIGGER — 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 + MAXXECUSTREE-C1-H4 · HOME — 0.5 mm² (≈20 AWG) — — — × W21 OEM-C-21 · Cam (TDC1) sensor − SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-C-4 · Ignition coil 1 MAXXECUSTREE-C1-A2 · IGN 1 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-C-12 · Ignition coil 2 MAXXECUSTREE-C1-A3 · IGN 2 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-C-13 · Ignition coil 3 MAXXECUSTREE-C1-B2 · IGN 3 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-C-14 · Ignition coil 4 MAXXECUSTREE-C1-B3 · IGN 4 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-B-11 · Injector 1 MAXXECUSTREE-C1-K1 · INJ 1 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-B-3 · Injector 2 MAXXECUSTREE-C1-K2 · INJ 2 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-B-4 · Injector 3 MAXXECUSTREE-C1-M1 · INJ 3 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-B-5 · Injector 4 MAXXECUSTREE-C1-M2 · INJ 4 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-A-15 · Fuel pump relay (USDM) MAXXECUSTREE-C1-B4 · GPO 1 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-A-16 · Fuel pump relay (JDM) MAXXECUSTREE-C1-C4 · GPO 2 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-A-17 · A/C clutch relay MAXXECUSTREE-C1-D4 · GPO 3 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-A-20 · Radiator fan relay MAXXECUSTREE-C1-A4 · GPO 8/TACHO — 0.5 mm² (≈20 AWG) — — — × W34 OEM-A-28 · Air pump relay MAXXECUSTREE-C1-M3 · INJ 5 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-B-12 · VTEC solenoid RLY1-R-OUT · Relay contact output (switched +12 V to load) — 0.5 mm² (≈20 AWG) — — — × W36 SP-14V-1 RLY1-R-IN · Relay contact input (switched +12 V) — 0.5 mm² (≈20 AWG) — — — × W37 SP-14V-1 RLY1-R-COIL+ · Relay coil positive (switched +12 V) — 0.5 mm² (≈20 AWG) — — — × W38 RLY1-R-COIL- · Relay coil negative (ECU low-side driver) MAXXECUSTREE-C1-L3 · INJ 6 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-C-1 · Primary O2 heater MAXXECUSTREE-C1-D1 · WBO2 Heater- — 0.5 mm² (≈20 AWG) — — — × W40 OEM-C-17 · MAP sensor MAXXECUSTREE-C1-J3 · AIN 3 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W41 OEM-C-27 · Throttle position sensor MAXXECUSTREE-C1-G2 · TPS/AIN — 0.5 mm² (≈20 AWG) — — — × W42 OEM-A-23 · Secondary O2 sensor MAXXECUSTREE-C1-J4 · AIN 4 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W43 OEM-C-26 · Coolant temp sensor MAXXECUSTREE-C1-J1 · AIN 1 (temperature) — 0.5 mm² (≈20 AWG) — — — × W44 OEM-C-25 · Intake air temp sensor MAXXECUSTREE-C1-J2 · AIN 2 (Temperature) — 0.5 mm² (≈20 AWG) — — — × W45 OEM-A-9 · Vehicle speed sensor MAXXECUSTREE-C1-K3 · DIN 1 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-C-5 · Alternator FR signal MAXXECUSTREE-C1-K4 · DIN 2 — 0.5 mm² (≈20 AWG) — — — ×