W1 OEM-T121-121 · ECM + coil power (J271 relay feed) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-T121-21 · ECM power (J271 relay feed) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 MAXXECUPRO-C1-M4 · +12V ECU power supply — 0.85 mm² (≈18 AWG) — — — × W4 SP-14V-1 MAXXECUPRO-C3-M4 · 12V ECU 2 — 0.85 mm² (≈18 AWG) — — — × W5 OEM-T121-1 · ECU ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-T121-2 · ECU ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 SP-GND-1 MAXXECUPRO-C1-L4 · Engine GND — 0.85 mm² (≈18 AWG) — — — × W8 SP-GND-1 MAXXECUPRO-C2-H1 · Engine ground 3 — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 MAXXECUPRO-C2-H2 · Engine ground 3 — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 MAXXECUPRO-C2-H3 · Engine ground 3 — 0.85 mm² (≈18 AWG) — — — × W11 SP-GND-1 MAXXECUPRO-C3-L4 · ENGINE GROUND 2 — 0.85 mm² (≈18 AWG) — — — × W12 OEM-T121-108 · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 OEM-T121-29 · MAF sensor ground (G70) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W14 OEM-T121-34 · Accelerator pedal position 1 ground (G79) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W15 OEM-T121-36 · Accelerator pedal position 2 ground (G185) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W16 OEM-T121-90 · Crank position sensor ground (G28) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-T121-91 · Throttle position sensor ground (G187/G188) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W18 SP-0V-1 MAXXECUPRO-C1-H1 · Sensor GND — 0.5 mm² (≈20 AWG) — — — × W19 SP-0V-1 MAXXECUPRO-C1-H2 · Trigger GND — 0.5 mm² (≈20 AWG) — — — × W20 SP-0V-1 MAXXECUPRO-C3-J2 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W21 SP-0V-1 MAXXECUPRO-C3-J3 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W22 OEM-T121-72 · Accelerator pedal position 1 5V supply (G79) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-T121-98 · Cam + boost sensor 5V supply (G40/G31) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W24 SP-5V1-1 MAXXECUPRO-C1-G1 · +5V sensor supply — 0.5 mm² (≈20 AWG) — — — × W25 OEM-T121-73 · Accelerator pedal position 2 5V supply (G185) SP-5V2-1 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-T121-99 · Knock sensor 5V supply (G61/G66) SP-5V2-1 — 0.5 mm² (≈20 AWG) — — — × W27 SP-5V2-1 MAXXECUPRO-C3-C2 · +5V SENSOR SUPPLY 2 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-T121-83 · Throttle position sensor 5V supply (G187/G188) MAXXECUPRO-C4-E3 · +5V sensor supply 3 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-T121-82 · Crank position sensor (G28) MAXXECUPRO-C1-H3 · TRIGGER — 0.5 mm² (≈20 AWG) — — — × W30 OEM-T121-86 · Camshaft position sensor (G40) MAXXECUPRO-C1-H4 · HOME — 0.5 mm² (≈20 AWG) — — — × W31 OEM-T121-106 · Knock sensor 1 (G61) MAXXECUPRO-C4-F2 · Knock 1 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-T121-107 · Knock sensor 2 (G66) MAXXECUPRO-C4-F3 · Knock 2 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-T121-102 · Ignition coil 1 (N127) MAXXECUPRO-C1-A2 · IGN 1 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-T121-95 · Ignition coil 2 (N128) MAXXECUPRO-C1-A3 · IGN 2 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-T121-103 · Ignition coil 3 (N158) MAXXECUPRO-C1-B2 · IGN 3 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-T121-94 · Ignition coil 4 (N163) MAXXECUPRO-C1-B3 · IGN 4 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-T121-96 · Injector 1 (N30) MAXXECUPRO-C1-K1 · INJ 1 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-T121-89 · Injector 2 (N31) MAXXECUPRO-C1-K2 · INJ 2 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-T121-97 · Injector 3 (N32) MAXXECUPRO-C1-M1 · INJ 3 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-T121-88 · Injector 4 (N33) MAXXECUPRO-C1-M2 · INJ 4 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-T121-118 · Throttle motor G186 (−) MAXXECUPRO-C3-L2 · GPO 12/MOTOR 1 + — 0.5 mm² (≈20 AWG) — — — × W42 OEM-T121-117 · Throttle motor G186 (+) MAXXECUPRO-C3-L3 · GPO 11/MOTOR 1 - — 0.5 mm² (≈20 AWG) — — — × W43 OEM-T121-3 · Ignition switch +12V (term 15) MAXXECUPRO-C3-K3 · KEY IN 12V — 0.5 mm² (≈20 AWG) — — — × W44 OEM-T121-53 · MAF sensor signal (G70) MAXXECUPRO-C1-J3 · AIN 3 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W45 OEM-T121-101 · Boost pressure sensor (G31) MAXXECUPRO-C1-J4 · AIN 4 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W46 OEM-T121-33 · Accelerator pedal position 1 (G79) MAXXECUPRO-C1-G2 · TPS/AIN — 0.5 mm² (≈20 AWG) — — — × W47 OEM-T121-84 · Throttle position sensor 1 (G187) MAXXECUPRO-C3-C3 · ANALOG IN 5 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W48 OEM-T121-35 · Accelerator pedal position 2 (G185) MAXXECUPRO-C3-D1 · ANALOG IN 6 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W49 OEM-T121-92 · Throttle position sensor 2 (G188) MAXXECUPRO-C3-D2 · ANALOG IN 7 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W50 OEM-T121-93 · Engine coolant temperature (G62) MAXXECUPRO-C1-F1 · CLT — 0.5 mm² (≈20 AWG) — — — × W51 OEM-T121-65 · Fuel pump relay control MAXXECUPRO-C1-B4 · GPO 1 — 0.5 mm² (≈20 AWG) — — — × W52 OEM-T121-66 · Secondary-air pump relay (J299) MAXXECUPRO-C1-C4 · GPO 2 — 0.5 mm² (≈20 AWG) — — — × W53 OEM-T121-5 · Wideband lambda heater (Z19) MAXXECUPRO-C1-D1 · WBO2 Heater- — 0.5 mm² (≈20 AWG) — — — × W54 OEM-T121-63 · Post-cat lambda heater (Z29) MAXXECUPRO-C3-E1 · GPO 10/WBO2 2 HTR — 0.5 mm² (≈20 AWG) — — — × W55 OEM-T121-104 · Boost control solenoid (N75) MAXXECUPRO-C1-D4 · GPO 3 — 0.5 mm² (≈20 AWG) — — — × W56 OEM-T121-105 · Diverter valve (N249) MAXXECUPRO-C1-E4 · GPO 4 — 0.5 mm² (≈20 AWG) — — — × W57 OEM-T121-115 · VVT camshaft adjustment valve (N205) MAXXECUPRO-C1-A1 · GPO 5 — 0.5 mm² (≈20 AWG) — — — × W58 OEM-T121-47 · Check engine light (MIL) MAXXECUPRO-C1-B1 · GPO 6 — 0.5 mm² (≈20 AWG) — — — × W59 OEM-T121-48 · EPC warning light MAXXECUPRO-C1-C1 · GPO 7 — 0.5 mm² (≈20 AWG) — — — × W60 OEM-T121-64 · EVAP canister valve (N80) MAXXECUPRO-C1-A4 · GPO 8/TACHO — 0.5 mm² (≈20 AWG) — — — × W61 OEM-T121-9 · Secondary-air injection valve (N112) MAXXECUPRO-C4-G1 · GPO 23 — 0.5 mm² (≈20 AWG) — — — × W62 OEM-T121-37 · Engine speed signal (tacho to cluster) MAXXECUPRO-C4-G2 · GPO 24 — 0.5 mm² (≈20 AWG) — — — × W63 OEM-T121-51 · Wideband lambda pump (G39) MAXXECUPRO-C1-G3 · WBO2 IP — 0.5 mm² (≈20 AWG) — — — × W64 OEM-T121-52 · Wideband lambda pump (G39) MAXXECUPRO-C3-B2 · WBO2 2 IP — 0.5 mm² (≈20 AWG) — — — × W65 OEM-T121-70 · Wideband lambda Nernst signal (G39) MAXXECUPRO-C1-F4 · WBO2 VS — 0.5 mm² (≈20 AWG) — — — × W66 OEM-T121-71 · Wideband lambda Nernst signal (G39) MAXXECUPRO-C3-B3 · WBO2 2 VS — 0.5 mm² (≈20 AWG) — — — × W67 OEM-T121-68 · Post-cat lambda signal (G130) MAXXECUPRO-C3-D3 · ANALOG IN 8 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W68 OEM-T121-69 · Post-cat lambda signal (G130) MAXXECUPRO-C3-E2 · ANALOG IN 9 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W69 OEM-T121-85 · Intake air temperature (G42) MAXXECUPRO-C1-F2 · IAT — 0.5 mm² (≈20 AWG) — — — × W70 OEM-T121-54 · Road speed signal (VSS) MAXXECUPRO-C1-K3 · DIN/VR 1 — 0.5 mm² (≈20 AWG) — — — × W71 OEM-T121-60 · CAN bus high MAXXECUPRO-C4-A1 · CAN 2 H — 0.5 mm² (≈20 AWG) — — — × W72 OEM-T121-58 · CAN bus low MAXXECUPRO-C4-A2 · CAN 2 L — 0.5 mm² (≈20 AWG) — — — ×