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 MAXXECUMINI-C1-H4 · +12V (ECU power supply) — 0.85 mm² (≈18 AWG) — — — × W4 OEM-T121-1 · ECU ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W5 OEM-T121-2 · ECU ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 SP-GND-1 MAXXECUMINI-C1-G4 · ENGINE GND — 0.85 mm² (≈18 AWG) — — — × W7 OEM-T121-108 · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W8 OEM-T121-29 · MAF sensor ground (G70) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W9 OEM-T121-34 · Accelerator pedal position 1 ground (G79) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 OEM-T121-36 · Accelerator pedal position 2 ground (G185) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 OEM-T121-90 · Crank position sensor ground (G28) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 OEM-T121-91 · Throttle position sensor ground (G187/G188) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 SP-0V-1 MAXXECUMINI-C1-A2 · TRIGGER GND — 0.5 mm² (≈20 AWG) — — — × W14 SP-0V-1 MAXXECUMINI-C1-B3 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W15 SP-0V-1 MAXXECUMINI-C1-B4 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W16 SP-0V-1 MAXXECUMINI-C1-D4 · SENSOR GND — 0.5 mm² (≈20 AWG) — — — × W17 OEM-T121-72 · Accelerator pedal position 1 5V supply (G79) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-T121-73 · Accelerator pedal position 2 5V supply (G185) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-T121-83 · Throttle position sensor 5V supply (G187/G188) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-T121-98 · Cam + boost sensor 5V supply (G40/G31) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-T121-99 · Knock sensor 5V supply (G61/G66) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W22 SP-5V1-1 MAXXECUMINI-C1-E2 · +5V sensor supply — 0.5 mm² (≈20 AWG) — — — × W23 OEM-T121-82 · Crank position sensor (G28) MAXXECUMINI-C1-A1 · TRIGGER — 0.5 mm² (≈20 AWG) — — — × W24 OEM-T121-102 · Ignition coil 1 (N127) MAXXECUMINI-C1-F1 · IGN 1 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-T121-95 · Ignition coil 2 (N128) MAXXECUMINI-C1-F2 · IGN 2 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-T121-103 · Ignition coil 3 (N158) MAXXECUMINI-C1-F3 · IGN 3 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-T121-94 · Ignition coil 4 (N163) MAXXECUMINI-C1-F4 · IGN 4 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-T121-96 · Injector 1 (N30) MAXXECUMINI-C1-G3 · INJ 1 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-T121-89 · Injector 2 (N31) MAXXECUMINI-C1-H1 · INJ 2 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-T121-97 · Injector 3 (N32) MAXXECUMINI-C1-H2 · INJ 3 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-T121-88 · Injector 4 (N33) MAXXECUMINI-C1-H3 · INJ 4 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-T121-53 · MAF sensor signal (G70) MAXXECUMINI-C1-C3 · AIN 3 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W33 OEM-T121-101 · Boost pressure sensor (G31) MAXXECUMINI-C1-C4 · AIN 4 (0-5V) — 0.5 mm² (≈20 AWG) — — — × W34 OEM-T121-33 · Accelerator pedal position 1 (G79) MAXXECUMINI-C1-D2 · TPS — 0.5 mm² (≈20 AWG) — — — × W35 OEM-T121-93 · Engine coolant temperature (G62) MAXXECUMINI-C1-C1 · CLT — 0.5 mm² (≈20 AWG) — — — × W36 OEM-T121-65 · Fuel pump relay control MAXXECUMINI-C1-G2 · GPO 1 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-T121-66 · Secondary-air pump relay (J299) MAXXECUMINI-C1-G1 · GPO 2 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-T121-5 · Wideband lambda heater (Z19) MAXXECUMINI-C1-E1 · GPO 3 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-T121-63 · Post-cat lambda heater (Z29) MAXXECUMINI-C1-D1 · GPO 8/TACHO — 0.5 mm² (≈20 AWG) — — — × W40 OEM-T121-85 · Intake air temperature (G42) MAXXECUMINI-C1-C2 · IAT — 0.5 mm² (≈20 AWG) — — — × W41 OEM-T121-54 · Road speed signal (VSS) MAXXECUMINI-C1-B1 · DIN 1 (Hall only) — 0.5 mm² (≈20 AWG) — — — × W42 OEM-T121-60 · CAN bus high MAXXECUMINI-C1-E4 · CAN H — 0.5 mm² (≈20 AWG) — — — × W43 OEM-T121-58 · CAN bus low MAXXECUMINI-C1-E3 · CAN L — 0.5 mm² (≈20 AWG) — — — ×