W1 OEM-X-54 · ECU power (+14V from main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 M150-B-13 · Battery Positive — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 M150-B-19 · Battery Positive — 0.85 mm² (≈18 AWG) — — — × W4 SP-14V-1 M150-C-26 · Battery Positive — 0.85 mm² (≈18 AWG) — — — × W5 OEM-X-26 · Battery voltage (constant +12V) M150-D-12 · Battery Backup — 0.85 mm² (≈18 AWG) — — — × W6 OEM-X-15 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-X-34 · Ground (output stages) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 OEM-X-55 · Ground (ignition) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W9 OEM-X-6 · Ground (injector output stages) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 M150-A-24 · Battery Negative 3 — 0.85 mm² (≈18 AWG) — — — × W11 SP-GND-1 M150-A-25 · Battery Negative 4 — 0.85 mm² (≈18 AWG) — — — × W12 SP-GND-1 M150-A-32 · Battery Negative 5 — 0.85 mm² (≈18 AWG) — — — × W13 SP-GND-1 M150-C-10 · Battery Negative 1 — 0.85 mm² (≈18 AWG) — — — × W14 SP-GND-1 M150-C-11 · Battery Negative 2 — 0.85 mm² (≈18 AWG) — — — × W15 OEM-X-28 · Ground (electronics + sensor shielding) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W16 OEM-X-40 · O2 sensor signal ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-X-43 · Crank position sensor (-) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-X-44 · Sensor ground (IAT/ECT/TPS) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-X-71 · Knock sensor ground/shield SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W20 SP-0V-1 M150-A-26 · Sensor 0V C1 — 0.5 mm² (≈20 AWG) — — — × W21 SP-0V-1 M150-A-27 · Sensor 0V C2 — 0.5 mm² (≈20 AWG) — — — × W22 SP-0V-1 M150-A-33 · Sensor 0V B1 — 0.5 mm² (≈20 AWG) — — — × W23 SP-0V-1 M150-A-34 · Sensor 0V A1 — 0.5 mm² (≈20 AWG) — — — × W24 SP-0V-1 M150-D-15 · Sensor 0V A — 0.5 mm² (≈20 AWG) — — — × W25 SP-0V-1 M150-D-16 · Sensor 0V B — 0.5 mm² (≈20 AWG) — — — × W26 OEM-X-59 · +5V sensor supply M150-A-10 · Sensor 5.0V C1 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-X-16 · Crank position sensor (+) M150-D-1 · Universal Digital Input 1 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-X-17 · Camshaft position sensor (Hall) M150-D-2 · Universal Digital Input 2 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-X-70 · Knock sensor cylinders 1-3 M150-D-7 · Knock Input 1 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-X-69 · Knock sensor cylinders 4-6 M150-D-13 · Knock Input 2 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-X-50 · Ignition coil cylinder 1 M150-C-3 · Low Side Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-X-51 · Ignition coil cylinder 2 M150-C-4 · Low Side Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-X-52 · Ignition coil cylinder 3 M150-C-5 · Low Side Ignition 3 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-X-23 · Ignition coil cylinder 4 M150-C-6 · Low Side Ignition 4 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-X-25 · Ignition coil cylinder 5 M150-C-7 · Low Side Ignition 5 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-X-24 · Ignition coil cylinder 6 M150-C-8 · Low Side Ignition 6 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-X-33 · Injector cylinder 1 M150-C-19 · Peak Hold Injector 1 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-X-32 · Injector cylinder 2 M150-C-23 · Low Side Injector 1 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-X-31 · Injector cylinder 3 M150-C-20 · Peak Hold Injector 2 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-X-5 · Injector cylinder 4 M150-C-24 · Low Side Injector 2 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-X-3 · Injector cylinder 5 M150-B-9 · Low Side Injector 3 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-X-4 · Injector cylinder 6 M150-C-21 · Peak Hold Injector 3 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-X-1 · Fuel pump relay control M150-B-15 · Low Side Injector 4 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-X-27 · Main relay control M150-B-8 · Low Side Injector 5 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-X-38 · O2 sensor heater relay control M150-C-18 · Half Bridge Output 1 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-X-2 · Idle speed control valve (close winding) M150-B-14 · Low Side Injector 6 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-X-29 · Idle speed control valve (open winding) M150-C-22 · Peak Hold Injector 4 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-X-36 · Evap purge solenoid M150-C-27 · Peak Hold Injector 5 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-X-7 · VANOS intake camshaft solenoid M150-C-28 · Peak Hold Injector 6 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-X-8 · Check engine light (MIL) M150-C-29 · Peak Hold Injector 7 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-X-41 · Mass air flow (MAF) signal M150-C-14 · Analogue Voltage Input 1 — 0.5 mm² (≈20 AWG) — — — × W52 OEM-X-73 · Throttle position (TPS) M150-C-15 · Analogue Voltage Input 2 — 0.5 mm² (≈20 AWG) — — — × W53 OEM-X-13 · O2 sensor signal M150-A-11 · Lambda Narrow Input 1 — 0.5 mm² (≈20 AWG) — — — × W54 OEM-X-78 · Engine coolant temperature (ECT) M150-D-3 · Analogue Temperature Input 1 — 0.5 mm² (≈20 AWG) — — — × W55 OEM-X-77 · Intake air temperature (IAT) M150-D-4 · Analogue Temperature Input 2 — 0.5 mm² (≈20 AWG) — — — × W56 OEM-X-42 · Vehicle speed signal M150-D-8 · Universal Digital Input 3 — 0.5 mm² (≈20 AWG) — — — ×