W1 OEM-X-54 · ECU power (+14V from main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 M170-A-23 · Battery Positive — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 M170-A-32 · Battery Positive — 0.85 mm² (≈18 AWG) — — — × W4 SP-14V-1 M170-A-41 · Battery Positive — 0.85 mm² (≈18 AWG) — — — × W5 OEM-X-26 · Battery voltage (constant +12V) M170-A-54 · 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 M170-A-14 · Battery Negative 1 — 0.85 mm² (≈18 AWG) — — — × W11 SP-GND-1 M170-A-15 · Battery Negative 2 — 0.85 mm² (≈18 AWG) — — — × W12 SP-GND-1 M170-A-19 · Battery Negative 3 — 0.85 mm² (≈18 AWG) — — — × W13 SP-GND-1 M170-A-20 · Battery Negative 4 — 0.85 mm² (≈18 AWG) — — — × W14 SP-GND-1 M170-A-21 · Battery Negative 5 — 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 M170-A-11 · Sensor 0V A — 0.5 mm² (≈20 AWG) — — — × W21 SP-0V-1 M170-A-27 · Sensor 0V B — 0.5 mm² (≈20 AWG) — — — × W22 OEM-X-59 · +5V sensor supply M170-A-16 · Sensor 5.0V A — 0.5 mm² (≈20 AWG) — — — × W23 OEM-X-16 · Crank position sensor (+) M170-A-49 · Universal Digital Input 1 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-X-17 · Camshaft position sensor (Hall) M170-A-56 · Universal Digital Input 2 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-X-70 · Knock sensor cylinders 1-3 M170-A-29 · Knock Input 1 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-X-69 · Knock sensor cylinders 4-6 M170-A-60 · Knock Input 2 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-X-50 · Ignition coil cylinder 1 M170-A-1 · Low Side Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-X-51 · Ignition coil cylinder 2 M170-A-5 · Low Side Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-X-52 · Ignition coil cylinder 3 M170-A-4 · Low Side Ignition 3 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-X-23 · Ignition coil cylinder 4 M170-A-10 · Low Side Ignition 4 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-X-25 · Ignition coil cylinder 5 M170-A-17 · Low Side Ignition 5 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-X-24 · Ignition coil cylinder 6 M170-A-25 · Low Side Ignition 6 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-X-33 · Injector cylinder 1 M170-A-33 · Peak Hold Injector 1 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-X-32 · Injector cylinder 2 M170-A-43 · Low Side Injector 1 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-X-31 · Injector cylinder 3 M170-A-50 · Peak Hold Injector 2 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-X-5 · Injector cylinder 4 M170-A-51 · Low Side Injector 2 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-X-3 · Injector cylinder 5 M170-A-63 · Peak Hold Injector 3 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-X-4 · Injector cylinder 6 M170-A-66 · Peak Hold Injector 4 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-X-1 · Fuel pump relay control M170-A-24 · Peak Hold Injector 5 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-X-27 · Main relay control M170-A-42 · Peak Hold Injector 6 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-X-38 · O2 sensor heater relay control M170-A-9 · Half Bridge Output 1 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-X-2 · Idle speed control valve (close winding) M170-A-57 · Peak Hold Injector 7 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-X-29 · Idle speed control valve (open winding) M170-A-62 · Peak Hold Injector 8 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-X-36 · Evap purge solenoid M170-A-8 · Half Bridge Output 2 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-X-7 · VANOS intake camshaft solenoid M170-A-59 · Half Bridge Output 3 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-X-8 · Check engine light (MIL) M170-A-65 · Half Bridge Output 4 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-X-41 · Mass air flow (MAF) signal M170-A-26 · Analogue Voltage Input 1 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-X-73 · Throttle position (TPS) M170-A-18 · Analogue Voltage Input 2 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-X-13 · O2 sensor signal M170-A-6 · Analogue Voltage Input 3 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-X-78 · Engine coolant temperature (ECT) M170-A-28 · Analogue Temperature Input 1 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-X-77 · Intake air temperature (IAT) M170-A-38 · Analogue Temperature Input 2 — 0.5 mm² (≈20 AWG) — — — × W52 OEM-X-42 · Vehicle speed signal M170-A-46 · Universal Digital Input 3 — 0.5 mm² (≈20 AWG) — — — ×