W1 OEM-4-B · ECU power +12V (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 MAXXECUGEN2R-MX1-25 · 12V supply 1 — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 MAXXECUGEN2R-MX2-25 · 12V supply 2 — 0.85 mm² (≈18 AWG) — — — × W4 OEM-4-A · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W5 OEM-4-C · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-4-D · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-4-K · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 SP-GND-1 MAXXECUGEN2R-MX1-9 · Engine gnd — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 MAXXECUGEN2R-MX2-9 · Engine gnd — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 MAXXECUGEN2R-MX3-9 · Engine gnd — 0.85 mm² (≈18 AWG) — — — × W11 OEM-3-O · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 OEM-4-H · Crank pickup timing ground (CKP gnd) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 SP-0V-1 MAXXECUGEN2R-MX1-14 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W14 OEM-3-I · +5V sensor reference MAXXECUGEN2R-MX1-12 · Digital/VR 1 POWER SUPPLY — 0.5 mm² (≈20 AWG) — — — × W15 OEM-4-E · Crank position (CKP) sensor MAXXECUGEN2R-MX1-10 · Digital/VR 1 SIGNAL + — 0.5 mm² (≈20 AWG) — — — × W16 OEM-4-G · CAS SGC (cam sync) MAXXECUGEN2R-MX1-18 · Digital/VR 2 SIGNAL + — 0.5 mm² (≈20 AWG) — — — × W17 OEM-4-N · Ignition coil trigger (cyl 1&4) MAXXECUGEN2R-MX1-1 · Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-4-R · Ignition coil trigger (cyl 2&3) MAXXECUGEN2R-MX1-2 · Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-4-U · Injector 1 (cyl 1) MAXXECUGEN2R-MX1-31 · INJECTOR 1 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-4-V · Injector 2 (cyl 2) MAXXECUGEN2R-MX1-32 · INJECTOR 2 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-4-W · Injector 3 (cyl 3) MAXXECUGEN2R-MX1-33 · INJECTOR 3 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-4-X · Injector 4 (cyl 4) MAXXECUGEN2R-MX1-34 · INJECTOR 4 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-3-B · MAF sensor input MAXXECUGEN2R-MX1-26 · AIN 1 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-3-F · Throttle position (TPS) MAXXECUGEN2R-MX1-27 · AIN 2 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-3-G · Engine coolant temp (CLT) MAXXECUGEN2R-MX1-28 · AIN 3 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-1-A · Cooling fan relay (low-side) MAXXECUGEN2R-MX1-5 · GP out 1 (GND) — 0.5 mm² (≈20 AWG) — — — × W27 OEM-1-B · A/C condenser fan relay MAXXECUGEN2R-MX1-6 · GP out 2 (GND) — 0.5 mm² (≈20 AWG) — — — × W28 OEM-1-G · A/C clutch relay MAXXECUGEN2R-MX1-7 · GP out 3 (GND) — 0.5 mm² (≈20 AWG) — — — × W29 OEM-1-U · Fuel pump relay (low-side) MAXXECUGEN2R-MX1-8 · GP out 4 (GND) — 0.5 mm² (≈20 AWG) — — — × W30 OEM-3-M · Front O2 heater control MAXXECUGEN2R-MX2-12 · GP OUT 7 / WBO2 Sensor 1 H- — 0.5 mm² (≈20 AWG) — — — × W31 OEM-1-E · Check engine light (MIL) MAXXECUGEN2R-MX1-17 · GP out 5 (GND) — 0.5 mm² (≈20 AWG) — — — × W32 OEM-4-J · PRC solenoid (FPR control) MAXXECUGEN2R-MX2-3 · GP out 6 (GND) — 0.5 mm² (≈20 AWG) — — — × W33 OEM-4-O · EGR vent solenoid MAXXECUGEN2R-MX3-12 · GP Out 8 (GND) / WBO2 Sensor 2 H- — 0.5 mm² (≈20 AWG) — — — × W34 OEM-4-P · EGR vacuum solenoid MAXXECUGEN2R-MX2-33 · INJECTOR 5 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-4-Q · Idle air control (IAC) valve MAXXECUGEN2R-MX2-34 · INJECTOR 6 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-4-T · EVAP purge solenoid MAXXECUGEN2R-MX3-29 · INJECTOR 7 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-3-H · EGR boost sensor MAXXECUGEN2R-MX1-29 · AIN 4 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-3-N · EGR boost sensor (2nd channel) MAXXECUGEN2R-MX1-30 · AIN 5 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-3-C · Front O2 sensor input MAXXECUGEN2R-MX2-4 · AIN 6 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-3-D · Rear O2 sensor input MAXXECUGEN2R-MX2-5 · AIN 7 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-3-K · Intake air temp (IAT) MAXXECUGEN2R-MX2-6 · AIN 8 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-3-J · EGR valve position sensor MAXXECUGEN2R-MX2-13 · AIN 9 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-1-M · Vehicle speed sensor (VSS) MAXXECUGEN2R-MX1-23 · Digital/VR 3 SIGNAL + — 0.5 mm² (≈20 AWG) — — — × W44 OEM-1-C · Starter input (12V while cranking) MAXXECUGEN2R-MX1-24 · Digital/VR 4 SIGNAL + — 0.5 mm² (≈20 AWG) — — — × W45 OEM-1-K · A/C pressure switch (A/C request) MAXXECUGEN2R-MX4-3 · Digital/VR 5 SIGNAL + — 0.5 mm² (≈20 AWG) — — — × W46 OEM-1-L · Clutch switch MAXXECUGEN2R-MX4-6 · Digital/VR 6 SIGNAL + — 0.5 mm² (≈20 AWG) — — — × W47 OEM-1-Q · Brake switch MAXXECUGEN2R-MX4-9 · Digital/VR 7 SIGNAL + — 0.5 mm² (≈20 AWG) — — — × W48 OEM-3-L · Idle switch (closed throttle) MAXXECUGEN2R-MX4-28 · Digital/VR 8 SIGNAL + — 0.5 mm² (≈20 AWG) — — — × W49 OEM-3-P · Power steering pressure switch MAXXECUGEN2R-MX2-14 · AIN 10 — 0.5 mm² (≈20 AWG) — — — ×