W1 OEM-4-B · ECU power +12V (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 MAXXECUPRO-C1-M4 · +12V ECU power supply — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 MAXXECUPRO-C3-M4 · 12V ECU 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 MAXXECUPRO-C1-L4 · Engine GND — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 MAXXECUPRO-C2-H1 · Engine ground 3 — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 MAXXECUPRO-C2-H2 · Engine ground 3 — 0.85 mm² (≈18 AWG) — — — × W11 SP-GND-1 MAXXECUPRO-C2-H3 · Engine ground 3 — 0.85 mm² (≈18 AWG) — — — × W12 SP-GND-1 MAXXECUPRO-C3-L4 · ENGINE GROUND 2 — 0.85 mm² (≈18 AWG) — — — × W13 OEM-3-O · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W14 OEM-4-H · Crank pickup timing ground (CKP gnd) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W15 SP-0V-1 MAXXECUPRO-C1-H1 · Sensor GND — 0.5 mm² (≈20 AWG) — — — × W16 SP-0V-1 MAXXECUPRO-C1-H2 · Trigger GND — 0.5 mm² (≈20 AWG) — — — × W17 SP-0V-1 MAXXECUPRO-C3-J2 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W18 SP-0V-1 MAXXECUPRO-C3-J3 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W19 OEM-3-I · +5V sensor reference MAXXECUPRO-C1-G1 · +5V sensor supply — 0.5 mm² (≈20 AWG) — — — × W20 OEM-4-E · Crank position (CKP) sensor MAXXECUPRO-C1-H3 · TRIGGER — 0.5 mm² (≈20 AWG) — — — × W21 OEM-4-G · CAS SGC (cam sync) MAXXECUPRO-C1-H4 · HOME — 0.5 mm² (≈20 AWG) — — — × W22 OEM-4-N · Ignition coil trigger (cyl 1&4) MAXXECUPRO-C1-A2 · IGN 1 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-4-R · Ignition coil trigger (cyl 2&3) MAXXECUPRO-C1-A3 · IGN 2 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-4-U · Injector 1 (cyl 1) MAXXECUPRO-C1-K1 · INJ 1 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-4-V · Injector 2 (cyl 2) MAXXECUPRO-C1-K2 · INJ 2 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-4-W · Injector 3 (cyl 3) MAXXECUPRO-C1-M1 · INJ 3 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-4-X · Injector 4 (cyl 4) MAXXECUPRO-C1-M2 · INJ 4 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-3-B · MAF sensor input MAXXECUPRO-C1-J3 · AIN 3 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W29 OEM-3-F · Throttle position (TPS) MAXXECUPRO-C1-G2 · TPS/AIN — 0.5 mm² (≈20 AWG) — — — × W30 OEM-3-G · Engine coolant temp (CLT) MAXXECUPRO-C1-F1 · CLT — 0.5 mm² (≈20 AWG) — — — × W31 OEM-1-A · Cooling fan relay (low-side) MAXXECUPRO-C1-B4 · GPO 1 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-1-B · A/C condenser fan relay MAXXECUPRO-C1-C4 · GPO 2 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-1-G · A/C clutch relay MAXXECUPRO-C1-D4 · GPO 3 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-1-U · Fuel pump relay (low-side) MAXXECUPRO-C1-E4 · GPO 4 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-3-M · Front O2 heater control MAXXECUPRO-C1-D1 · WBO2 Heater- — 0.5 mm² (≈20 AWG) — — — × W36 OEM-1-E · Check engine light (MIL) MAXXECUPRO-C1-A1 · GPO 5 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-4-J · PRC solenoid (FPR control) MAXXECUPRO-C1-B1 · GPO 6 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-4-O · EGR vent solenoid MAXXECUPRO-C1-C1 · GPO 7 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-4-P · EGR vacuum solenoid MAXXECUPRO-C1-A4 · GPO 8/TACHO — 0.5 mm² (≈20 AWG) — — — × W40 OEM-4-Q · Idle air control (IAC) valve MAXXECUPRO-C4-G1 · GPO 23 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-4-T · EVAP purge solenoid MAXXECUPRO-C4-G2 · GPO 24 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-4-L · Tachometer output MAXXECUPRO-C4-G3 · GPO 25 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-3-H · EGR boost sensor MAXXECUPRO-C1-J4 · AIN 4 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W44 OEM-3-N · EGR boost sensor (2nd channel) MAXXECUPRO-C3-C3 · ANALOG IN 5 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W45 OEM-3-C · Front O2 sensor input MAXXECUPRO-C3-D1 · ANALOG IN 6 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W46 OEM-3-D · Rear O2 sensor input MAXXECUPRO-C3-D2 · ANALOG IN 7 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W47 OEM-3-K · Intake air temp (IAT) MAXXECUPRO-C1-F2 · IAT — 0.5 mm² (≈20 AWG) — — — × W48 OEM-3-J · EGR valve position sensor MAXXECUPRO-C3-D3 · ANALOG IN 8 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W49 OEM-1-M · Vehicle speed sensor (VSS) MAXXECUPRO-C1-K3 · DIN/VR 1 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-1-C · Starter input (12V while cranking) MAXXECUPRO-C1-K4 · DIN/VR 2 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-1-K · A/C pressure switch (A/C request) MAXXECUPRO-C3-A3 · DIN 6 (SWITCH) — 0.5 mm² (≈20 AWG) — — — × W52 OEM-1-L · Clutch switch MAXXECUPRO-C3-A4 · DIN 7 (SWITCH) — 0.5 mm² (≈20 AWG) — — — × W53 OEM-1-Q · Brake switch MAXXECUPRO-C4-D3 · DIN 8 (switch) — 0.5 mm² (≈20 AWG) — — — × W54 OEM-3-L · Idle switch (closed throttle) MAXXECUPRO-C4-D4 · DIN 9 (switch) — 0.5 mm² (≈20 AWG) — — — × W55 OEM-3-P · Power steering pressure switch MAXXECUPRO-C4-E1 · DIN 10 (switch) — 0.5 mm² (≈20 AWG) — — — ×