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 M800-A-26 · VBAT Battery Positive — 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 M800-A-10 · GND Battery Negative — 0.85 mm² (≈18 AWG) — — — × W7 SP-GND-1 M800-A-11 · GND Battery Negative — 0.85 mm² (≈18 AWG) — — — × W8 OEM-T121-108 · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W9 OEM-T121-29 · MAF sensor ground (G70) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 OEM-T121-34 · Accelerator pedal position 1 ground (G79) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 OEM-T121-36 · Accelerator pedal position 2 ground (G185) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 OEM-T121-90 · Crank position sensor ground (G28) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 OEM-T121-91 · Throttle position sensor ground (G187/G188) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W14 SP-0V-1 M800-B-14 · 0V Comms Reference — 0.5 mm² (≈20 AWG) — — — × W15 SP-0V-1 M800-B-15 · 0V Auxiliary Sensor Supply — 0.5 mm² (≈20 AWG) — — — × W16 SP-0V-1 M800-B-16 · 0V Engine Sensor Supply — 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-T121-83 · Throttle position sensor 5V supply (G187/G188) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-T121-99 · Knock sensor 5V supply (G61/G66) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W20 SP-5V1-1 M800-A-2 · 5V Engine Sensor Supply — 0.5 mm² (≈20 AWG) — — — × W21 OEM-T121-73 · Accelerator pedal position 2 5V supply (G185) SP-5V2-1 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-T121-98 · Cam + boost sensor 5V supply (G40/G31) SP-5V2-1 — 0.5 mm² (≈20 AWG) — — — × W23 SP-5V2-1 M800-A-9 · 5V Auxiliary Sensor Supply — 0.5 mm² (≈20 AWG) — — — × W24 OEM-T121-82 · Crank position sensor (G28) M800-B-1 · Crank Reference Timing Input — 0.5 mm² (≈20 AWG) — — — × W25 OEM-T121-86 · Camshaft position sensor (G40) M800-B-2 · Cam Sync Timing Input — 0.5 mm² (≈20 AWG) — — — × W26 OEM-T121-102 · Ignition coil 1 (N127) M800-A-3 · IGN1 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-T121-95 · Ignition coil 2 (N128) M800-A-4 · IGN2 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-T121-103 · Ignition coil 3 (N158) M800-A-5 · IGN3 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-T121-94 · Ignition coil 4 (N163) M800-A-6 · IGN4 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-T121-96 · Injector 1 (N30) M800-A-19 · INJ1 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-T121-89 · Injector 2 (N31) M800-A-20 · INJ2 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-T121-97 · Injector 3 (N32) M800-A-21 · INJ3 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-T121-88 · Injector 4 (N33) M800-A-22 · INJ4 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-T121-53 · MAF sensor signal (G70) M800-A-14 · AV1 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-T121-101 · Boost pressure sensor (G31) M800-A-15 · Analog Voltage Input 2 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-T121-33 · Accelerator pedal position 1 (G79) M800-A-16 · Analog Voltage Input 3 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-T121-84 · Throttle position sensor 1 (G187) M800-A-17 · Analog Voltage Input 4 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-T121-35 · Accelerator pedal position 2 (G185) M800-A-25 · Analog Voltage Input 5 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-T121-92 · Throttle position sensor 2 (G188) M800-B-20 · Analog Voltage Input 6 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-T121-93 · Engine coolant temperature (G62) M800-B-3 · Analog Temperature Input 1 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-T121-65 · Fuel pump relay control M800-A-18 · AUX1 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-T121-66 · Secondary-air pump relay (J299) M800-A-1 · AUX2 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-T121-5 · Wideband lambda heater (Z19) M800-A-23 · AUX3 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-T121-63 · Post-cat lambda heater (Z29) M800-A-24 · AUX4 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-T121-104 · Boost control solenoid (N75) M800-A-31 · AUX5 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-T121-105 · Diverter valve (N249) M800-A-32 · AUX6 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-T121-115 · VVT camshaft adjustment valve (N205) M800-A-33 · AUX7 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-T121-47 · Check engine light (MIL) M800-A-34 · AUX8 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-T121-48 · EPC warning light M800-A-27 · INJ5 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-T121-64 · EVAP canister valve (N80) M800-A-28 · INJ6 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-T121-9 · Secondary-air injection valve (N112) M800-A-29 · INJ7 — 0.5 mm² (≈20 AWG) — — — × W52 OEM-T121-51 · Wideband lambda pump (G39) M800-B-26 · Lambda1 Pump Current — 0.5 mm² (≈20 AWG) — — — × W53 OEM-T121-52 · Wideband lambda pump (G39) M800-B-13 · Lambda2 Pump Current — 0.5 mm² (≈20 AWG) — — — × W54 OEM-T121-70 · Wideband lambda Nernst signal (G39) M800-B-25 · Lambda1 Sense Voltage — 0.5 mm² (≈20 AWG) — — — × W55 OEM-T121-71 · Wideband lambda Nernst signal (G39) M800-B-12 · Lambda2 Sense Voltage — 0.5 mm² (≈20 AWG) — — — × W56 OEM-T121-68 · Post-cat lambda signal (G130) M800-B-21 · AV7 — 0.5 mm² (≈20 AWG) — — — × W57 OEM-T121-69 · Post-cat lambda signal (G130) M800-B-22 · AV8 — 0.5 mm² (≈20 AWG) — — — × W58 OEM-T121-85 · Intake air temperature (G42) M800-B-4 · Analog Temperature Input 2 — 0.5 mm² (≈20 AWG) — — — × W59 OEM-T121-54 · Road speed signal (VSS) M800-B-8 · Digital Input 1 — 0.5 mm² (≈20 AWG) — — — × W60 OEM-T121-60 · CAN bus high M800-B-23 · CAN Bus High — 0.5 mm² (≈20 AWG) — — — × W61 OEM-T121-58 · CAN bus low M800-B-24 · CAN Bus Low — 0.5 mm² (≈20 AWG) — — — ×