W1 OEM-4-B · ECU power +12V (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-4-A · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W4 OEM-4-C · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W5 OEM-4-D · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-4-K · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 SP-GND-1 MAXXECUMINI-C1-G4 · ENGINE GND — 0.85 mm² (≈18 AWG) — — — × W8 OEM-3-O · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W9 OEM-4-H · Crank pickup timing ground (CKP gnd) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 SP-0V-1 MAXXECUMINI-C1-A2 · TRIGGER GND — 0.5 mm² (≈20 AWG) — — — × W11 SP-0V-1 MAXXECUMINI-C1-B3 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W12 SP-0V-1 MAXXECUMINI-C1-B4 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W13 SP-0V-1 MAXXECUMINI-C1-D4 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W14 OEM-3-I · +5V sensor reference MAXXECUMINI-C1-E2 · +5V sensor supply — 0.5 mm² (≈20 AWG) — — — × W15 OEM-4-E · Crank position (CKP) sensor MAXXECUMINI-C1-A1 · TRIGGER — 0.5 mm² (≈20 AWG) — — — × W16 OEM-4-N · Ignition coil trigger (cyl 1&4) MAXXECUMINI-C1-F1 · IGN 1 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-4-R · Ignition coil trigger (cyl 2&3) MAXXECUMINI-C1-F2 · IGN 2 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-4-U · Injector 1 (cyl 1) MAXXECUMINI-C1-G3 · INJ 1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-4-V · Injector 2 (cyl 2) MAXXECUMINI-C1-H1 · INJ 2 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-4-W · Injector 3 (cyl 3) MAXXECUMINI-C1-H2 · INJ 3 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-4-X · Injector 4 (cyl 4) MAXXECUMINI-C1-H3 · INJ 4 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-3-B · MAF sensor input MAXXECUMINI-C1-C3 · AIN 3 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W23 OEM-3-F · Throttle position (TPS) MAXXECUMINI-C1-D2 · TPS — 0.5 mm² (≈20 AWG) — — — × W24 OEM-3-G · Engine coolant temp (CLT) MAXXECUMINI-C1-C1 · CLT — 0.5 mm² (≈20 AWG) — — — × W25 OEM-1-A · Cooling fan relay (low-side) MAXXECUMINI-C1-G2 · GPO 1 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-1-B · A/C condenser fan relay MAXXECUMINI-C1-G1 · GPO 2 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-1-G · A/C clutch relay MAXXECUMINI-C1-E1 · GPO 3 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-1-U · Fuel pump relay (low-side) MAXXECUMINI-C1-D1 · GPO 8/TACHO — 0.5 mm² (≈20 AWG) — — — × W29 OEM-3-H · EGR boost sensor MAXXECUMINI-C1-C4 · AIN 4 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W30 OEM-3-K · Intake air temp (IAT) MAXXECUMINI-C1-C2 · IAT — 0.5 mm² (≈20 AWG) — — — × W31 OEM-1-M · Vehicle speed sensor (VSS) MAXXECUMINI-C1-B1 · DIN 1 (Hall only) — 0.5 mm² (≈20 AWG) — — — × W32 OEM-1-C · Starter input (12V while cranking) MAXXECUMINI-C1-B2 · DIN 2 (Hall only) — 0.5 mm² (≈20 AWG) — — — ×