W1 OEM-X-54 · ECU power (+14V from main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 MS3PROMINI-A-1 · 12V+ switched power in — 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 MS3PROMINI-A-22 · Power ground — 0.85 mm² (≈18 AWG) — — — × W8 SP-GND-1 MS3PROMINI-A-23 · Power ground — 0.85 mm² (≈18 AWG) — — — × W9 OEM-X-28 · Ground (electronics + sensor shielding) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 OEM-X-40 · O2 sensor signal ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 OEM-X-43 · Crank position sensor (-) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 OEM-X-44 · Sensor ground (IAT/ECT/TPS) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 OEM-X-71 · Knock sensor ground/shield SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W14 SP-0V-1 MS3PROMINI-A-21 · Sensor ground — 0.5 mm² (≈20 AWG) — — — × W15 OEM-X-59 · +5V sensor supply MS3PROMINI-A-2 · +5V VREF out — 0.5 mm² (≈20 AWG) — — — × W16 OEM-X-16 · Crank position sensor (+) MS3PROMINI-A-30 · CKP+ — 0.5 mm² (≈20 AWG) — — — × W17 OEM-X-17 · Camshaft position sensor (Hall) MS3PROMINI-A-32 · CMP+ — 0.5 mm² (≈20 AWG) — — — × W18 OEM-X-50 · Ignition coil cylinder 1 MS3PROMINI-A-17 · Spark out A — 0.5 mm² (≈20 AWG) — — — × W19 OEM-X-51 · Ignition coil cylinder 2 MS3PROMINI-A-18 · Spark out B — 0.5 mm² (≈20 AWG) — — — × W20 OEM-X-52 · Ignition coil cylinder 3 MS3PROMINI-A-19 · Spark out C — 0.5 mm² (≈20 AWG) — — — × W21 OEM-X-23 · Ignition coil cylinder 4 MS3PROMINI-A-20 · Spark out D — 0.5 mm² (≈20 AWG) — — — × W22 OEM-X-33 · Injector cylinder 1 MS3PROMINI-A-10 · Injector out F — 0.5 mm² (≈20 AWG) — — — × W23 OEM-X-32 · Injector cylinder 2 MS3PROMINI-A-11 · Injector out G — 0.5 mm² (≈20 AWG) — — — × W24 OEM-X-31 · Injector cylinder 3 MS3PROMINI-A-12 · Injector out H — 0.5 mm² (≈20 AWG) — — — × W25 OEM-X-5 · Injector cylinder 4 MS3PROMINI-A-5 · Injector out A — 0.5 mm² (≈20 AWG) — — — × W26 OEM-X-3 · Injector cylinder 5 MS3PROMINI-A-6 · Injector out B — 0.5 mm² (≈20 AWG) — — — × W27 OEM-X-4 · Injector cylinder 6 MS3PROMINI-A-7 · Injector out C — 0.5 mm² (≈20 AWG) — — — × W28 OEM-X-1 · Fuel pump relay control MS3PROMINI-A-4 · Fuel pump out — 0.5 mm² (≈20 AWG) — — — × W29 OEM-X-27 · Main relay control MS3PROMINI-A-3 · PWM out 1 / Idle — 0.5 mm² (≈20 AWG) — — — × W30 OEM-X-41 · Mass air flow (MAF) signal MS3PROMINI-A-13 · Analog in 1 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-X-73 · Throttle position (TPS) MS3PROMINI-A-28 · TPS in — 0.5 mm² (≈20 AWG) — — — × W32 OEM-X-78 · Engine coolant temperature (ECT) MS3PROMINI-A-26 · CLT in — 0.5 mm² (≈20 AWG) — — — × W33 OEM-X-38 · O2 sensor heater relay control MS3PROMINI-A-8 · Injector out D — 0.5 mm² (≈20 AWG) — — — × W34 OEM-X-2 · Idle speed control valve (close winding) MS3PROMINI-A-9 · Injector out E — 0.5 mm² (≈20 AWG) — — — × W35 OEM-X-13 · O2 sensor signal MS3PROMINI-A-14 · Analog in 2 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-X-77 · Intake air temperature (IAT) MS3PROMINI-A-27 · IAT in — 0.5 mm² (≈20 AWG) — — — × W37 OEM-X-42 · Vehicle speed signal MS3PROMINI-A-34 · Digital frequency in 1 (Hall) — 0.5 mm² (≈20 AWG) — — — ×