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 G4XXTREMEX-A-A5 · +14V ECU Power — 0.85 mm² (≈18 AWG) — — — × W4 SP-14V-1 G4XXTREMEX-B-B5 · Aux 9/10 E-Throttle 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-4-A · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 SP-GND-1 G4XXTREMEX-A-A25 · System Ground — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 G4XXTREMEX-A-A34 · System Ground — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 G4XXTREMEX-B-B25 · System Ground — 0.85 mm² (≈18 AWG) — — — × W11 SP-GND-1 G4XXTREMEX-B-B34 · System Ground — 0.85 mm² (≈18 AWG) — — — × W12 OEM-4-O · Signal ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 SP-0V-1 G4XXTREMEX-A-A24 · Sensor Ground — 0.5 mm² (≈20 AWG) — — — × W14 SP-0V-1 G4XXTREMEX-B-B22 · Sensor Ground — 0.5 mm² (≈20 AWG) — — — × W15 OEM-4-L · +5V sensor supply G4XXTREMEX-A-A32 · +5V Out — 0.5 mm² (≈20 AWG) — — — × W16 OEM-3-Y · Crank position (CKP) G4XXTREMEX-A-A8 · Trigger 1 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-3-V · Cam position (CMP) G4XXTREMEX-A-A9 · Trigger 2 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-4-M · Knock sensor G4XXTREMEX-B-B9 · Knock 1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-3-F · Ignition 1 (coils 1+4, wasted spark) G4XXTREMEX-A-A13 · Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-3-I · Ignition 2 (coils 2+3, wasted spark) G4XXTREMEX-A-A12 · Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-2-A · Injector 1 G4XXTREMEX-A-A4 · Injector 1 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-2-D · Injector 2 G4XXTREMEX-A-A3 · Injector 2 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-2-G · Injector 3 G4XXTREMEX-A-A2 · Injector 3 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-2-J · Injector 4 G4XXTREMEX-A-A1 · Injector 4 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-2-B · Cooling fan relay G4XXTREMEX-A-A21 · Aux 1 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-2-C · Condenser fan relay G4XXTREMEX-A-A20 · Aux 2 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-2-K · A/C clutch relay G4XXTREMEX-A-A19 · Aux 3 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-2-M · Fuel pump relay G4XXTREMEX-A-A18 · Aux 4 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-3-H · Main relay G4XXTREMEX-A-A29 · Aux 5 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-3-J · Front O2 heater G4XXTREMEX-A-A28 · Aux 6 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-3-P · Rear O2 heater G4XXTREMEX-A-A27 · Aux 7 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-2-Q · ISC valve low side G4XXTREMEX-A-A26 · Aux 8 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-2-E · EGR valve G4XXTREMEX-B-B4 · Injector 5 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-2-F · EGR valve G4XXTREMEX-B-B3 · Injector 6 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-2-H · EGR valve G4XXTREMEX-B-B2 · Injector 7 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-2-I · EGR valve G4XXTREMEX-B-B1 · Injector 8 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-2-N · VTCS solenoid (intake butterflies) G4XXTREMEX-B-B18 · Aux 9 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-2-R · Malfunction indicator lamp (MIL) G4XXTREMEX-B-B26 · Aux 10 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-4-X · Mass air flow (MAF) G4XXTREMEX-A-A17 · Analog Volt 1 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-4-AE · Pressure sensor (Mazda: EGR boost sensor) G4XXTREMEX-A-A22 · Analog Volt 2 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-4-V · Throttle position (TPS) G4XXTREMEX-A-A33 · Analog Volt 3 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-4-AA · Rear O2 signal G4XXTREMEX-A-A14 · Analog Volt 4 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-4-W · Front O2 signal G4XXTREMEX-B-B33 · Analog Volt 5 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-4-P · Coolant temperature (ECT) G4XXTREMEX-A-A15 · Analog Temp 1 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-4-N · Intake air temperature (IAT) G4XXTREMEX-A-A16 · Analog Temp 2 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-4-AD · Fuel level G4XXTREMEX-B-B15 · Analog Volt 6 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-3-T · Vehicle speed G4XXTREMEX-A-A30 · Digital Input 1 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-3-S · Immobiliser G4XXTREMEX-A-A31 · Digital Input 2 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-4-B · Brake switch G4XXTREMEX-A-A23 · Digital Input 3 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-4-C · Power steering pressure switch G4XXTREMEX-B-B21 · Digital Input 4 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-4-F · A/C request G4XXTREMEX-B-B20 · Digital Input 5 — 0.5 mm² (≈20 AWG) — — — × W52 OEM-4-H · Neutral switch G4XXTREMEX-B-B19 · Digital Input 6 — 0.5 mm² (≈20 AWG) — — — × W53 OEM-4-I · Clutch switch G4XXTREMEX-B-B30 · Digital Input 7 — 0.5 mm² (≈20 AWG) — — — × W54 OEM-4-J · VTCS vacuum switch G4XXTREMEX-B-B29 · Digital Input 8 — 0.5 mm² (≈20 AWG) — — — ×