W1 OEM-1-B · ECU power +14V (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-3-M · ISC valve +14V feed SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 SL6-A-34 · Aux 9–10 14V supply — 0.85 mm² (≈18 AWG) — — — × W4 SP-14V-1 SL6-B-1 · ECU 14V supply — 0.85 mm² (≈18 AWG) — — — × W5 OEM-3-A · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-3-B · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-3-C · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 SP-GND-1 SL6-B-18 · ECU ground — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 SL6-B-26 · ECU ground — 0.85 mm² (≈18 AWG) — — — × W10 OEM-3-F · Signal ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 SP-0V-1 SL6-B-10 · Analog sensor 0V reference — 0.5 mm² (≈20 AWG) — — — × W12 OEM-2-I · +5V sensor supply SL6-B-2 · Sensor supply Vref1 5.0V — 0.5 mm² (≈20 AWG) — — — × W13 OEM-2-J · Crank position (CKP) SL6-B-5 · Crank index sensor + — 0.5 mm² (≈20 AWG) — — — × W14 SP-0V-1 SL6-B-6 · Crank index sensor − — 0.5 mm² (≈20 AWG) — — — × W15 OEM-2-H · Cam position (CMP) SL6-B-7 · Sync sensor + — 0.5 mm² (≈20 AWG) — — — × W16 SP-0V-1 SL6-B-8 · Sync sensor − — 0.5 mm² (≈20 AWG) — — — × W17 OEM-2-F · Knock sensor SL6-B-16 · Knock 1 + — 0.5 mm² (≈20 AWG) — — — × W18 OEM-3-G · Ignition 1 (coils 1+4, wasted spark) SL6-A-26 · Ignition channel 1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-3-H · Ignition 2 (coils 2+3, wasted spark) SL6-A-27 · Ignition channel 2 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-3-W · Injector 1 SL6-A-1 · Injection channel 1 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-3-X · Injector 2 SL6-A-2 · Injection channel 2 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-3-Y · Injector 3 SL6-A-3 · Injection channel 3 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-3-Z · Injector 4 SL6-A-4 · Injection channel 4 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-1-I · Condenser fan relay SL6-B-3 · EFI relay output (low side, 200 mA) — 0.5 mm² (≈20 AWG) — — — × W25 OEM-1-R · Cooling fan relay SL6-A-14 · Auxiliary output 5 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-1-S · A/C clutch relay SL6-A-15 · Auxiliary output 6 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-3-N · Fuel pump relay SL6-A-16 · Auxiliary output 7 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-1-U · Front O2 heater SL6-A-17 · Auxiliary output 8 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-3-V · Rear O2 heater SL6-A-10 · Auxiliary output 1 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-3-O · ISC valve low side SL6-A-11 · Auxiliary output 2 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-1-E · Malfunction indicator lamp (MIL) SL6-A-12 · Auxiliary output 3 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-1-O · Alternator control SL6-A-13 · Auxiliary output 4 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-1-Q · Charge lamp SL6-A-5 · Injection channel 5 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-2-M · EGR valve SL6-A-6 · Injection channel 6 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-2-N · EGR valve SL6-A-18 · Auxiliary output 9 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-2-O · EGR valve SL6-A-19 · Auxiliary output 10 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-2-L · Mass air flow (MAF) SL6-B-11 · Analog input 1 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-3-S · Pressure sensor (Mazda: EGR boost sensor) SL6-B-12 · Analog input 2 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-3-E · Throttle position (TPS) SL6-B-13 · Analog input 3 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-2-C · Front O2 signal SL6-B-14 · Analog input 4 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-3-J · Rear O2 signal SL6-B-15 · Analog input 5 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-2-E · Coolant temperature (ECT) SL6-B-19 · Analog input 6 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-2-B · Intake air temperature (IAT) SL6-B-20 · Analog input 7 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W44 OEM-2-A · Fuel tank pressure SL6-B-21 · Analog input 8 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W45 OEM-3-K · Fuel level SL6-B-22 · Analog input 9 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W46 OEM-2-D · Vehicle speed SL6-A-20 · Digital input 1 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-1-F · Brake switch SL6-A-21 · Digital input 2 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-1-G · Power steering pressure switch SL6-A-22 · Digital input 3 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-1-P · A/C request SL6-A-23 · Digital input 4 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-1-V · Neutral switch SL6-A-24 · Digital input 5 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-3-I · Clutch switch SL6-A-25 · Digital input 6 — 0.5 mm² (≈20 AWG) — — — ×