W1 OEM-A-13 · ECM power source (IGP1) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-C-1 · ECM power source (IGP2) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W3 OEM-G-10 · Throttle motor common power phases 2&4 (COM2) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W4 OEM-G-2 · Throttle motor power source 1 (IGM1) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W5 OEM-G-3 · Throttle motor power source 2 (IGM2) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-G-9 · Throttle motor common power phases 1&3 (COM1) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W7 NEW-KEYON-1 MAIN-R-COIL+ · Relay coil positive (ignition-switched +12V) — 0.5 mm² (≈20 AWG) — — — × W8 NEW-BATT-1 MAIN-R-IN · Relay contact input (battery + via main fuse) — 0.85 mm² (≈18 AWG) — — — × W9 MAIN-R-COIL- · Relay coil negative (ECU low-side driver) SP-GND-1 — 0.5 mm² (≈20 AWG) — — — × W10 MAIN-R-OUT · Relay contact output (switched +12V bus) SPEEDUINO-PWR-12V · Main power (+12 V switched) — 0.85 mm² (≈18 AWG) — — — × W11 OEM-A-12 · Power ground (PG1) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W12 OEM-A-25 · Power ground (PG2) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W13 OEM-G-7 · Throttle motor ground 1 (PGM1) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W14 OEM-G-8 · Throttle motor ground 2 (PGM2) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W15 SP-GND-1 SPEEDUINO-A-10 · Ground — 0.85 mm² (≈18 AWG) — — — × W16 SP-GND-1 SPEEDUINO-A-9 · Ground — 0.85 mm² (≈18 AWG) — — — × W17 OEM-A-26 · Logic ground (LG1) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-B-13 · Cylinder position sensor 2 return (CYP 2M) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-B-14 · Cylinder position sensor 1 return (CYP 1M) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-B-15 · Crank position sensor 2 return (CKP 2M) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-B-16 · Crank position sensor 1 return (CKP 1M) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-B-9 · Logic ground (LG2) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-D-11 · Sensor ground (SG2) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-F-15 · Accelerator pedal ground (SG3) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-F-2 · Sensor ground (SG1) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W26 SP-0V-1 SPEEDUINO-A-12 · Ground — 0.5 mm² (≈20 AWG) — — — × W27 SP-0V-1 SPEEDUINO-A-23 · Ground — 0.5 mm² (≈20 AWG) — — — × W28 OEM-D-10 · Sensor 5V supply (VCC2) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-F-1 · Sensor 5V supply (VCC1) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W30 SP-5V1-1 SPEEDUINO-A-28 · 5V — 0.5 mm² (≈20 AWG) — — — × W31 OEM-F-14 · Accelerator pedal 5V supply (VCC3) SPEEDUINO-A-13 · 5V — 0.5 mm² (≈20 AWG) — — — × W32 OEM-B-8 · Crank position sensor 1 + (CKP 1P) SPEEDUINO-A-25 · Crank input / VR1+ — 0.5 mm² (≈20 AWG) — — — × W33 OEM-B-7 · Crank position sensor 2 + (CKP 2P) SPEEDUINO-A-27 · VR1- — 0.5 mm² (≈20 AWG) — — — × W34 OEM-B-6 · Cylinder position sensor 1 + (CYP 1P) SPEEDUINO-A-24 · Cam input / VR2+ — 0.5 mm² (≈20 AWG) — — — × W35 OEM-B-5 · Cylinder position sensor 2 + (CYP 2P) SPEEDUINO-A-26 · VR2- — 0.5 mm² (≈20 AWG) — — — × W36 OEM-A-11 · Ignition coil 1 (IGN COIL1) SPEEDUINO-A-7 · Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-A-24 · Ignition coil 2 (IGN COIL2) SPEEDUINO-A-34 · Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-B-12 · Ignition coil 3 (IGN COIL3) SPEEDUINO-A-33 · Ignition 3 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-B-11 · Ignition coil 4 (IGN COIL4) SPEEDUINO-A-8 · Ignition 4 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-A-1 · Injector 1 (INJ1) SPEEDUINO-A-1 · Injector 1 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-A-2 · Injector 2 (INJ2) SPEEDUINO-A-2 · Injector 2 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-A-3 · Injector 3 (INJ3) SPEEDUINO-A-3 · Injector 3 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-A-14 · Injector 4 (INJ4) SPEEDUINO-A-5 · Injector 4 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-A-15 · Injector 5 (INJ5) SPEEDUINO-A-1 · Injector 1 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-A-16 · Injector 6 (INJ6) SPEEDUINO-A-2 · Injector 2 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-A-5 · Fuel pump relay (FLR1) SPEEDUINO-A-16 · Proto area 3 (fuel pump) — 0.5 mm² (≈20 AWG) — — — × W47 OEM-F-19 · VTEC solenoid front (VT SOLF) SPEEDUINO-A-15 · Proto area 2 (fan) — 0.5 mm² (≈20 AWG) — — — × W48 OEM-F-20 · VTEC solenoid rear (VT SOLR) SPEEDUINO-A-36 · Idle 2 (3-wire idle) — 0.5 mm² (≈20 AWG) — — — × W49 OEM-D-9 · MAP sensor SPEEDUINO-A-11 · MAP sensor (0-5V) — 0.5 mm² (≈20 AWG) — — — × W50 OEM-F-13 · Accelerator pedal position 1 (AP1) SPEEDUINO-A-22 · TPS input — 0.5 mm² (≈20 AWG) — — — × W51 OEM-D-7 · Engine coolant temperature (ECT) SPEEDUINO-A-19 · Coolant temp (CLT) — 0.5 mm² (≈20 AWG) — — — × W52 OEM-F-4 · Fuel pump relay 2 (FLR2) SPEEDUINO-A-35 · Boost — 0.5 mm² (≈20 AWG) — — — × W53 OEM-A-8 · A/C clutch relay (ACC) SPEEDUINO-A-37 · PWM idle — 0.5 mm² (≈20 AWG) — — — × W54 OEM-A-10 · Rear secondary O2 heater (RSO2SHTC) SPEEDUINO-A-38 · VVT — 0.5 mm² (≈20 AWG) — — — × W55 OEM-C-8 · Engine speed pulse (NEP) SPEEDUINO-A-17 · Proto area 4 (tachometer) — 0.5 mm² (≈20 AWG) — — — × W56 OEM-D-16 · Front secondary O2 signal (O2S FS) SPEEDUINO-A-21 · O2 sensor — 0.5 mm² (≈20 AWG) — — — × W57 OEM-D-8 · Intake air temperature (IAT) SPEEDUINO-A-20 · Inlet air temp (IAT) — 0.5 mm² (≈20 AWG) — — — × W58 OEM-C-7 · Vehicle speed sensor (VSS) SPEEDUINO-A-14 · Proto area 1 (flex fuel) — 0.5 mm² (≈20 AWG) — — — × W59 OEM-F-16 · Brake switch 1 (BKSW1) SPEEDUINO-A-18 · Proto area 5 (clutch) — 0.5 mm² (≈20 AWG) — — — ×