W1 OEM-2-P · ISC valve +14V feed SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-4-AF · ECU power +14V (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-4-AG · Constant +12V SHADOW8-B-1 · Battery constant (HOT) supply — 0.85 mm² (≈18 AWG) — — — × W6 OEM-3-A · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-3-B · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 OEM-4-A · Power ground 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-4-O · Signal ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 SP-0V-1 SHADOW8-A-4 · 0V analog reference — 0.5 mm² (≈20 AWG) — — — × W13 SP-0V-1 SHADOW8-A-7 · Trigger ground — 0.5 mm² (≈20 AWG) — — — × W14 OEM-4-L · +5V sensor supply SHADOW8-A-3 · 5.0V sensor supply — 0.5 mm² (≈20 AWG) — — — × W15 OEM-3-Y · Crank position (CKP) SHADOW8-A-5 · Crank position sensor — 0.5 mm² (≈20 AWG) — — — × W16 OEM-3-V · Cam position (CMP) SHADOW8-A-6 · Sync position sensor — 0.5 mm² (≈20 AWG) — — — × W17 OEM-4-M · Knock sensor SHADOW8-A-16 · Knock 1 + — 0.5 mm² (≈20 AWG) — — — × W18 OEM-3-F · Ignition 1 (coils 1+4, wasted spark) SHADOW8-B-27 · Ignition TTL cylinder 1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-3-I · Ignition 2 (coils 2+3, wasted spark) SHADOW8-B-28 · Ignition TTL cylinder 2 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-2-A · Injector 1 SHADOW8-B-2 · Injector cylinder 1 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-2-D · Injector 2 SHADOW8-B-3 · Injector cylinder 2 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-2-G · Injector 3 SHADOW8-B-4 · Injector cylinder 3 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-2-J · Injector 4 SHADOW8-B-5 · Injector cylinder 4 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-2-B · Cooling fan relay SHADOW8-B-10 · Aux output 1 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-2-C · Condenser fan relay SHADOW8-B-11 · Aux output 2 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-2-K · A/C clutch relay SHADOW8-B-12 · Aux output 3 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-2-M · Fuel pump relay SHADOW8-B-13 · Aux output 4 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-3-H · Main relay SHADOW8-B-14 · Aux output 5 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-3-J · Front O2 heater SHADOW8-B-15 · Aux output 6 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-3-P · Rear O2 heater SHADOW8-B-16 · Aux output 7 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-2-Q · ISC valve low side SHADOW8-B-17 · Aux output 8 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-2-E · EGR valve SHADOW8-B-6 · Injector cylinder 5 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-2-F · EGR valve SHADOW8-B-7 · Injector cylinder 6 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-2-H · EGR valve SHADOW8-B-8 · Injector cylinder 7 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-2-I · EGR valve SHADOW8-B-9 · Injector cylinder 8 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-2-N · VTCS solenoid (intake butterflies) SHADOW8-B-22 · Aux output 9 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-2-R · Malfunction indicator lamp (MIL) SHADOW8-B-23 · Aux output 10 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-3-E · Charcoal canister purge SHADOW8-B-24 · Aux output 11 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-3-M · Alternator control SHADOW8-B-25 · Aux output 12 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-4-X · Mass air flow (MAF) SHADOW8-A-10 · Analog voltage 1 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-4-AE · Pressure sensor (Mazda: EGR boost sensor) SHADOW8-A-11 · Analog voltage 2 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-4-V · Throttle position (TPS) SHADOW8-A-12 · Analog voltage 3 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-4-AA · Rear O2 signal SHADOW8-A-13 · Analog voltage 4 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-4-W · Front O2 signal SHADOW8-A-14 · Analog voltage 5 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-4-P · Coolant temperature (ECT) SHADOW8-A-18 · Analog voltage 6 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-4-N · Intake air temperature (IAT) SHADOW8-A-19 · Analog voltage 7 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W47 OEM-4-AD · Fuel level SHADOW8-A-20 · Analog voltage 8 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W48 OEM-3-T · Vehicle speed SHADOW8-A-26 · Digital input 1 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-3-S · Immobiliser SHADOW8-A-27 · Digital input 2 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-4-B · Brake switch SHADOW8-A-28 · Digital input 3 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-4-C · Power steering pressure switch SHADOW8-A-29 · Digital input 4 — 0.5 mm² (≈20 AWG) — — — × W52 OEM-4-F · A/C request SHADOW8-A-30 · Digital input 5 — 0.5 mm² (≈20 AWG) — — — × W53 OEM-4-H · Neutral switch SHADOW8-A-31 · Digital input 6 — 0.5 mm² (≈20 AWG) — — — × W54 OEM-4-I · Clutch switch SHADOW8-B-18 · Digital input 7 — 0.5 mm² (≈20 AWG) — — — × W55 OEM-4-J · VTCS vacuum switch SHADOW8-B-19 · Digital input 8 — 0.5 mm² (≈20 AWG) — — — ×