W1 OEM-X-54 · ECU power (+14V from main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 SHADOW8-A-1 · ECU supply — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 SHADOW8-B-26 · Aux 9–12 power supply — 0.85 mm² (≈18 AWG) — — — × W4 OEM-X-26 · Battery voltage (constant +12V) SHADOW8-B-1 · Battery constant (HOT) supply — 0.85 mm² (≈18 AWG) — — — × W5 OEM-X-15 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-X-34 · Ground (output stages) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-X-55 · Ground (ignition) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 OEM-X-6 · Ground (injector output stages) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 SHADOW8-A-34 · Ground 2 — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 SHADOW8-A-9 · Ground 1 — 0.85 mm² (≈18 AWG) — — — × W11 OEM-X-28 · Ground (electronics + sensor shielding) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 OEM-X-40 · O2 sensor signal ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 OEM-X-43 · Crank position sensor (-) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W14 OEM-X-44 · Sensor ground (IAT/ECT/TPS) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W15 OEM-X-71 · Knock sensor ground/shield SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W16 SP-0V-1 SHADOW8-A-4 · 0V analog reference — 0.5 mm² (≈20 AWG) — — — × W17 SP-0V-1 SHADOW8-A-7 · Trigger ground — 0.5 mm² (≈20 AWG) — — — × W18 OEM-X-59 · +5V sensor supply SHADOW8-A-3 · 5.0V sensor supply — 0.5 mm² (≈20 AWG) — — — × W19 OEM-X-16 · Crank position sensor (+) SHADOW8-A-5 · Crank position sensor — 0.5 mm² (≈20 AWG) — — — × W20 OEM-X-17 · Camshaft position sensor (Hall) SHADOW8-A-6 · Sync position sensor — 0.5 mm² (≈20 AWG) — — — × W21 OEM-X-70 · Knock sensor cylinders 1-3 SHADOW8-A-16 · Knock 1 + — 0.5 mm² (≈20 AWG) — — — × W22 OEM-X-69 · Knock sensor cylinders 4-6 SHADOW8-A-24 · Knock 2 + — 0.5 mm² (≈20 AWG) — — — × W23 OEM-X-50 · Ignition coil cylinder 1 SHADOW8-B-27 · Ignition TTL cylinder 1 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-X-51 · Ignition coil cylinder 2 SHADOW8-B-28 · Ignition TTL cylinder 2 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-X-52 · Ignition coil cylinder 3 SHADOW8-B-29 · Ignition TTL cylinder 3 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-X-23 · Ignition coil cylinder 4 SHADOW8-B-30 · Ignition TTL cylinder 4 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-X-25 · Ignition coil cylinder 5 SHADOW8-B-31 · Ignition TTL cylinder 5 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-X-24 · Ignition coil cylinder 6 SHADOW8-B-32 · Ignition TTL cylinder 6 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-X-33 · Injector cylinder 1 SHADOW8-B-2 · Injector cylinder 1 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-X-32 · Injector cylinder 2 SHADOW8-B-3 · Injector cylinder 2 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-X-31 · Injector cylinder 3 SHADOW8-B-4 · Injector cylinder 3 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-X-5 · Injector cylinder 4 SHADOW8-B-5 · Injector cylinder 4 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-X-3 · Injector cylinder 5 SHADOW8-B-6 · Injector cylinder 5 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-X-4 · Injector cylinder 6 SHADOW8-B-7 · Injector cylinder 6 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-X-45 · Shield ground SP-SHD-1 — 0.5 mm² (≈20 AWG) — — — × W36 SP-SHD-1 SHADOW8-A-8 · Shield — 0.5 mm² (≈20 AWG) — — — × W37 OEM-X-56 · Ignition switch (terminal 15) SHADOW8-B-21 · Digital input 10 / ignition switch — 0.5 mm² (≈20 AWG) — — — × W38 OEM-X-1 · Fuel pump relay control SHADOW8-B-10 · Aux output 1 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-X-27 · Main relay control SHADOW8-B-11 · Aux output 2 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-X-38 · O2 sensor heater relay control SHADOW8-B-12 · Aux output 3 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-X-2 · Idle speed control valve (close winding) SHADOW8-B-13 · Aux output 4 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-X-29 · Idle speed control valve (open winding) SHADOW8-B-14 · Aux output 5 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-X-36 · Evap purge solenoid SHADOW8-B-15 · Aux output 6 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-X-7 · VANOS intake camshaft solenoid SHADOW8-B-16 · Aux output 7 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-X-8 · Check engine light (MIL) SHADOW8-B-17 · Aux output 8 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-X-41 · Mass air flow (MAF) signal SHADOW8-A-10 · Analog voltage 1 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-X-73 · Throttle position (TPS) SHADOW8-A-11 · Analog voltage 2 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-X-13 · O2 sensor signal SHADOW8-A-12 · Analog voltage 3 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-X-78 · Engine coolant temperature (ECT) SHADOW8-A-13 · Analog voltage 4 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-X-77 · Intake air temperature (IAT) SHADOW8-A-14 · Analog voltage 5 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-X-42 · Vehicle speed signal SHADOW8-A-26 · Digital input 1 — 0.5 mm² (≈20 AWG) — — — ×