W1 OEM-B-1 · Power source 1 (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-B-9 · Power source 2 (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 SHADOW8-A-1 · ECU supply — 0.85 mm² (≈18 AWG) — — — × W4 SP-14V-1 SHADOW8-B-26 · Aux 9–12 power supply — 0.85 mm² (≈18 AWG) — — — × W5 OEM-B-21 · Backup power (battery constant) SHADOW8-B-1 · Battery constant (HOT) supply — 0.85 mm² (≈18 AWG) — — — × W6 OEM-B-10 · Power ground 2 SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-B-2 · Power ground 1 SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 OEM-B-20 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W9 OEM-B-22 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 SHADOW8-A-34 · Ground 2 — 0.85 mm² (≈18 AWG) — — — × W11 SP-GND-1 SHADOW8-A-9 · Ground 1 — 0.85 mm² (≈18 AWG) — — — × W12 OEM-C-18 · Sensor ground 2 SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 OEM-C-30 · Cam (TDC2) sensor − SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W14 OEM-C-31 · Timing ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W15 OEM-C-7 · Sensor ground 1 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-C-19 · Sensor 5V supply 1 (MAP) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-C-28 · Sensor 5V supply 2 SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W20 SP-5V1-1 SHADOW8-A-3 · 5.0V sensor supply — 0.5 mm² (≈20 AWG) — — — × W21 OEM-C-8 · Crank sensor + (CKP+) SHADOW8-A-5 · Crank position sensor — 0.5 mm² (≈20 AWG) — — — × W22 OEM-C-9 · Crank sensor − (CKP−) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-C-20 · Cam (TDC1) sensor + SHADOW8-A-6 · Sync position sensor — 0.5 mm² (≈20 AWG) — — — × W24 OEM-C-21 · Cam (TDC1) sensor − SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-C-4 · Ignition coil 1 SHADOW8-B-27 · Ignition TTL cylinder 1 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-C-12 · Ignition coil 2 SHADOW8-B-28 · Ignition TTL cylinder 2 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-C-13 · Ignition coil 3 SHADOW8-B-29 · Ignition TTL cylinder 3 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-C-14 · Ignition coil 4 SHADOW8-B-30 · Ignition TTL cylinder 4 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-B-11 · Injector 1 SHADOW8-B-2 · Injector cylinder 1 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-B-3 · Injector 2 SHADOW8-B-3 · Injector cylinder 2 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-B-4 · Injector 3 SHADOW8-B-4 · Injector cylinder 3 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-B-5 · Injector 4 SHADOW8-B-5 · Injector cylinder 4 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-A-15 · Fuel pump relay (USDM) SHADOW8-B-10 · Aux output 1 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-A-16 · Fuel pump relay (JDM) SHADOW8-B-11 · Aux output 2 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-A-17 · A/C clutch relay SHADOW8-B-12 · Aux output 3 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-A-20 · Radiator fan relay SHADOW8-B-13 · Aux output 4 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-A-28 · Air pump relay SHADOW8-B-14 · Aux output 5 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-B-12 · VTEC solenoid SHADOW8-B-15 · Aux output 6 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-C-1 · Primary O2 heater SHADOW8-B-16 · Aux output 7 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-C-11 · Secondary O2 heater control SHADOW8-B-17 · Aux output 8 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-B-23 · Idle air control valve SHADOW8-B-6 · Injector cylinder 5 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-A-1 · Coolant temp gauge drive SHADOW8-B-7 · Injector cylinder 6 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-A-12 · Immobilizer indicator light SHADOW8-B-8 · Injector cylinder 7 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-A-18 · Check engine light (MIL) SHADOW8-B-9 · Injector cylinder 8 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-A-2 · Air control valve solenoid SHADOW8-B-22 · Aux output 9 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-A-3 · Evap bypass solenoid SHADOW8-B-23 · Aux output 10 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-A-4 · Evap canister vent shut valve SHADOW8-B-24 · Aux output 11 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-A-6 · Evap canister purge valve SHADOW8-B-25 · Aux output 12 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-C-17 · MAP sensor SHADOW8-A-10 · Analog voltage 1 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-C-27 · Throttle position sensor SHADOW8-A-11 · Analog voltage 2 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-A-23 · Secondary O2 sensor SHADOW8-A-12 · Analog voltage 3 — 0.5 mm² (≈20 AWG) — — — × W52 OEM-C-15 · Secondary O2 sensor SHADOW8-A-13 · Analog voltage 4 — 0.5 mm² (≈20 AWG) — — — × W53 OEM-C-16 · Primary O2 sensor SHADOW8-A-14 · Analog voltage 5 — 0.5 mm² (≈20 AWG) — — — × W54 OEM-C-26 · Coolant temp sensor SHADOW8-A-18 · Analog voltage 6 — 0.5 mm² (≈20 AWG) — — — × W55 OEM-C-25 · Intake air temp sensor SHADOW8-A-19 · Analog voltage 7 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W56 OEM-A-29 · Fuel tank pressure sensor SHADOW8-A-20 · Analog voltage 8 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W57 OEM-A-30 · Electrical load detector SHADOW8-A-21 · Analog voltage 9 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W58 OEM-C-24 · Air pump electric current sensor SHADOW8-A-22 · Analog voltage 10 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W59 OEM-A-9 · Vehicle speed sensor SHADOW8-A-26 · Digital input 1 — 0.5 mm² (≈20 AWG) — — — × W60 OEM-C-5 · Alternator FR signal SHADOW8-A-27 · Digital input 2 — 0.5 mm² (≈20 AWG) — — — × W61 OEM-A-24 · Starter switch signal SHADOW8-A-28 · Digital input 3 — 0.5 mm² (≈20 AWG) — — — × W62 OEM-A-26 · Power steering load detect SHADOW8-A-29 · Digital input 4 — 0.5 mm² (≈20 AWG) — — — × W63 OEM-A-27 · A/C switch (request) SHADOW8-A-30 · Digital input 5 — 0.5 mm² (≈20 AWG) — — — × W64 OEM-A-32 · Brake switch SHADOW8-A-31 · Digital input 6 — 0.5 mm² (≈20 AWG) — — — × W65 OEM-C-10 · VTEC pressure switch SHADOW8-B-18 · Digital input 7 — 0.5 mm² (≈20 AWG) — — — ×