W1 OEM-X-54 · ECU power (+14V from main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 MAXXECUMINI-C1-H4 · +12V (ECU power supply) — 0.85 mm² (≈18 AWG) — — — × W3 OEM-X-15 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W4 OEM-X-34 · Ground (output stages) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W5 OEM-X-55 · Ground (ignition) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-X-6 · Ground (injector output stages) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 SP-GND-1 MAXXECUMINI-C1-G4 · ENGINE GND — 0.85 mm² (≈18 AWG) — — — × W8 OEM-X-28 · Ground (electronics + sensor shielding) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W9 OEM-X-40 · O2 sensor signal ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 OEM-X-43 · Crank position sensor (-) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 OEM-X-44 · Sensor ground (IAT/ECT/TPS) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 OEM-X-71 · Knock sensor ground/shield SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 SP-0V-1 MAXXECUMINI-C1-A2 · TRIGGER GND — 0.5 mm² (≈20 AWG) — — — × W14 SP-0V-1 MAXXECUMINI-C1-B3 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W15 SP-0V-1 MAXXECUMINI-C1-B4 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W16 SP-0V-1 MAXXECUMINI-C1-D4 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W17 OEM-X-59 · +5V sensor supply MAXXECUMINI-C1-E2 · +5V sensor supply — 0.5 mm² (≈20 AWG) — — — × W18 OEM-X-16 · Crank position sensor (+) MAXXECUMINI-C1-A1 · TRIGGER — 0.5 mm² (≈20 AWG) — — — × W19 OEM-X-50 · Ignition coil cylinder 1 MAXXECUMINI-C1-F1 · IGN 1 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-X-51 · Ignition coil cylinder 2 MAXXECUMINI-C1-F2 · IGN 2 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-X-52 · Ignition coil cylinder 3 MAXXECUMINI-C1-F3 · IGN 3 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-X-23 · Ignition coil cylinder 4 MAXXECUMINI-C1-F4 · IGN 4 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-X-33 · Injector cylinder 1 MAXXECUMINI-C1-G3 · INJ 1 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-X-32 · Injector cylinder 2 MAXXECUMINI-C1-H1 · INJ 2 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-X-31 · Injector cylinder 3 MAXXECUMINI-C1-H2 · INJ 3 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-X-5 · Injector cylinder 4 MAXXECUMINI-C1-H3 · INJ 4 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-X-3 · Injector cylinder 5 MAXXECUMINI-C1-G3 · INJ 1 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-X-4 · Injector cylinder 6 MAXXECUMINI-C1-H1 · INJ 2 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-X-45 · Shield ground SP-SHD-1 — 0.5 mm² (≈20 AWG) — — — × W30 SP-SHD-1 MAXXECUMINI-C1-D3 · GND Shield — 0.5 mm² (≈20 AWG) — — — × W31 OEM-X-1 · Fuel pump relay control MAXXECUMINI-C1-G2 · GPO 1 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-X-27 · Main relay control MAXXECUMINI-C1-G1 · GPO 2 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-X-41 · Mass air flow (MAF) signal MAXXECUMINI-C1-C3 · AIN 3 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W34 OEM-X-73 · Throttle position (TPS) MAXXECUMINI-C1-D2 · TPS — 0.5 mm² (≈20 AWG) — — — × W35 OEM-X-78 · Engine coolant temperature (ECT) MAXXECUMINI-C1-C1 · CLT — 0.5 mm² (≈20 AWG) — — — × W36 OEM-X-38 · O2 sensor heater relay control MAXXECUMINI-C1-E1 · GPO 3 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-X-2 · Idle speed control valve (close winding) MAXXECUMINI-C1-D1 · GPO 8/TACHO — 0.5 mm² (≈20 AWG) — — — × W38 OEM-X-13 · O2 sensor signal MAXXECUMINI-C1-C4 · AIN 4 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W39 OEM-X-77 · Intake air temperature (IAT) MAXXECUMINI-C1-C2 · IAT — 0.5 mm² (≈20 AWG) — — — × W40 OEM-X-42 · Vehicle speed signal MAXXECUMINI-C1-B1 · DIN 1 (Hall only) — 0.5 mm² (≈20 AWG) — — — ×