W1 OEM-B-10 · Power ground 2 SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-B-2 · Power ground 1 SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W3 OEM-B-20 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W4 OEM-B-22 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W5 SP-GND-1 SPEEDUINO-A-10 · Ground — 0.85 mm² (≈18 AWG) — — — × W6 SP-GND-1 SPEEDUINO-A-9 · Ground — 0.85 mm² (≈18 AWG) — — — × W7 OEM-C-18 · Sensor ground 2 SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W8 OEM-C-30 · Cam (TDC2) sensor − SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W9 OEM-C-31 · Timing ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 OEM-C-7 · Sensor ground 1 SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 SP-0V-1 SPEEDUINO-A-12 · Ground — 0.5 mm² (≈20 AWG) — — — × W12 SP-0V-1 SPEEDUINO-A-23 · Ground — 0.5 mm² (≈20 AWG) — — — × W13 OEM-C-19 · Sensor 5V supply 1 (MAP) SPEEDUINO-A-13 · 5V — 0.5 mm² (≈20 AWG) — — — × W14 OEM-C-28 · Sensor 5V supply 2 SPEEDUINO-A-28 · 5V — 0.5 mm² (≈20 AWG) — — — × W15 OEM-C-8 · Crank sensor + (CKP+) SPEEDUINO-A-25 · Crank input / VR1+ — 0.5 mm² (≈20 AWG) — — — × W16 OEM-C-9 · Crank sensor − (CKP−) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-C-20 · Cam (TDC1) sensor + SPEEDUINO-A-24 · Cam input / VR2+ — 0.5 mm² (≈20 AWG) — — — × W18 OEM-C-21 · Cam (TDC1) sensor − SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-C-29 · Cam (TDC2) sensor + SPEEDUINO-A-26 · VR2- — 0.5 mm² (≈20 AWG) — — — × W20 OEM-C-4 · Ignition coil 1 SPEEDUINO-A-7 · Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-C-12 · Ignition coil 2 SPEEDUINO-A-34 · Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-C-13 · Ignition coil 3 SPEEDUINO-A-33 · Ignition 3 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-C-14 · Ignition coil 4 SPEEDUINO-A-8 · Ignition 4 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-B-11 · Injector 1 SPEEDUINO-A-1 · Injector 1 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-B-3 · Injector 2 SPEEDUINO-A-2 · Injector 2 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-B-4 · Injector 3 SPEEDUINO-A-3 · Injector 3 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-B-5 · Injector 4 SPEEDUINO-A-5 · Injector 4 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-A-15 · Fuel pump relay (USDM) SPEEDUINO-A-16 · Proto area 3 (fuel pump) — 0.5 mm² (≈20 AWG) — — — × W29 OEM-A-16 · Fuel pump relay (JDM) SPEEDUINO-A-15 · Proto area 2 (fan) — 0.5 mm² (≈20 AWG) — — — × W30 OEM-A-17 · A/C clutch relay SPEEDUINO-A-36 · Idle 2 (3-wire idle) — 0.5 mm² (≈20 AWG) — — — × W31 OEM-A-20 · Radiator fan relay SPEEDUINO-A-35 · Boost — 0.5 mm² (≈20 AWG) — — — × W32 OEM-A-28 · Air pump relay SPEEDUINO-A-37 · PWM idle — 0.5 mm² (≈20 AWG) — — — × W33 OEM-B-12 · VTEC solenoid SPEEDUINO-A-31 · Idle stepper 1A — 0.5 mm² (≈20 AWG) — — — × W34 OEM-C-1 · Primary O2 heater SPEEDUINO-A-38 · VVT — 0.5 mm² (≈20 AWG) — — — × W35 OEM-C-11 · Secondary O2 heater control SPEEDUINO-A-32 · Idle stepper 1B — 0.5 mm² (≈20 AWG) — — — × W36 OEM-B-23 · Idle air control valve SPEEDUINO-A-29 · Idle stepper 2B — 0.5 mm² (≈20 AWG) — — — × W37 OEM-A-1 · Coolant temp gauge drive SPEEDUINO-A-30 · Idle stepper 2A — 0.5 mm² (≈20 AWG) — — — × W38 OEM-A-19 · Tacho output SPEEDUINO-A-17 · Proto area 4 (tachometer) — 0.5 mm² (≈20 AWG) — — — × W39 OEM-C-17 · MAP sensor SPEEDUINO-A-11 · MAP sensor (0-5V) — 0.5 mm² (≈20 AWG) — — — × W40 OEM-C-27 · Throttle position sensor SPEEDUINO-A-22 · TPS input — 0.5 mm² (≈20 AWG) — — — × W41 OEM-A-23 · Secondary O2 sensor SPEEDUINO-A-21 · O2 sensor — 0.5 mm² (≈20 AWG) — — — × W42 OEM-C-26 · Coolant temp sensor SPEEDUINO-A-19 · Coolant temp (CLT) — 0.5 mm² (≈20 AWG) — — — × W43 OEM-C-25 · Intake air temp sensor SPEEDUINO-A-20 · Inlet air temp (IAT) — 0.5 mm² (≈20 AWG) — — — × W44 OEM-A-9 · Vehicle speed sensor SPEEDUINO-A-14 · Proto area 1 (flex fuel) — 0.5 mm² (≈20 AWG) — — — × W45 OEM-C-5 · Alternator FR signal SPEEDUINO-A-18 · Proto area 5 (clutch) — 0.5 mm² (≈20 AWG) — — — ×