W1 OEM-A-1AF · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-A-1AJ · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W3 OEM-A-1L · Power ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W4 SP-GND-1 SPEEDUINO-A-10 · Ground — 0.85 mm² (≈18 AWG) — — — × W5 SP-GND-1 SPEEDUINO-A-9 · Ground — 0.85 mm² (≈18 AWG) — — — × W6 OEM-A-1AB · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W7 OEM-A-1X · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W8 OEM-C-3AB · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W9 OEM-C-3S · Sensor ground (CAS) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 SP-0V-1 SPEEDUINO-A-12 · Ground — 0.5 mm² (≈20 AWG) — — — × W11 SP-0V-1 SPEEDUINO-A-23 · Ground — 0.5 mm² (≈20 AWG) — — — × W12 OEM-C-3A · +5V sensor supply SPEEDUINO-A-13 · 5V — 0.5 mm² (≈20 AWG) — — — × W13 OEM-C-3R · Crank position (CAS NE) SPEEDUINO-A-25 · Crank input / VR1+ — 0.5 mm² (≈20 AWG) — — — × W14 OEM-C-3U · Home position (CAS G) SPEEDUINO-A-24 · Cam input / VR2+ — 0.5 mm² (≈20 AWG) — — — × W15 OEM-D-4AF · Ignition front trailing SPEEDUINO-A-7 · Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W16 OEM-D-4AJ · Ignition rear trailing SPEEDUINO-A-34 · Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-D-4AN · Ignition leading (wasted spark) SPEEDUINO-A-33 · Ignition 3 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-A-1Q · Injector 1 (front primary) SPEEDUINO-A-1 · Injector 1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-A-1U · Injector 2 (rear primary) SPEEDUINO-A-2 · Injector 2 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-A-1Y · Injector 3 (front secondary) SPEEDUINO-A-3 · Injector 3 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-A-1AC · Injector 4 (rear secondary) SPEEDUINO-A-5 · Injector 4 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-A-1AA · OMP stepper phase B1 SPEEDUINO-A-31 · Idle stepper 1A — 0.5 mm² (≈20 AWG) — — — × W23 OEM-A-1AE · OMP stepper phase A1 SPEEDUINO-A-32 · Idle stepper 1B — 0.5 mm² (≈20 AWG) — — — × W24 OEM-A-1S · OMP stepper phase B2 SPEEDUINO-A-29 · Idle stepper 2B — 0.5 mm² (≈20 AWG) — — — × W25 OEM-A-1W · OMP stepper phase A2 SPEEDUINO-A-30 · Idle stepper 2A — 0.5 mm² (≈20 AWG) — — — × W26 OEM-A-1H · Cooling fan relay (low speed) SPEEDUINO-A-16 · Proto area 3 (fuel pump) — 0.5 mm² (≈20 AWG) — — — × W27 OEM-D-4D · Air pump clutch relay SPEEDUINO-A-15 · Proto area 2 (fan) — 0.5 mm² (≈20 AWG) — — — × W28 OEM-D-4F · Fuel pump speed relay SPEEDUINO-A-36 · Idle 2 (3-wire idle) — 0.5 mm² (≈20 AWG) — — — × W29 OEM-D-4G · Fuel pump relay SPEEDUINO-A-35 · Boost — 0.5 mm² (≈20 AWG) — — — × W30 OEM-D-4I · A/C relay SPEEDUINO-A-37 · PWM idle — 0.5 mm² (≈20 AWG) — — — × W31 OEM-D-4K · Cooling fan relay (low speed) SPEEDUINO-A-38 · VVT — 0.5 mm² (≈20 AWG) — — — × W32 OEM-D-4M · Tachometer output SPEEDUINO-A-17 · Proto area 4 (tachometer) — 0.5 mm² (≈20 AWG) — — — × W33 OEM-D-4AH · MAP sensor (PIM) SPEEDUINO-A-11 · MAP sensor (0-5V) — 0.5 mm² (≈20 AWG) — — — × W34 OEM-C-3I · Throttle position (TPS, full range) SPEEDUINO-A-22 · TPS input — 0.5 mm² (≈20 AWG) — — — × W35 OEM-C-3D · O2 sensor (narrowband) SPEEDUINO-A-21 · O2 sensor — 0.5 mm² (≈20 AWG) — — — × W36 OEM-C-3W · Coolant temperature (ECT) SPEEDUINO-A-19 · Coolant temp (CLT) — 0.5 mm² (≈20 AWG) — — — × W37 OEM-C-3T · Intake air temperature (IAT) SPEEDUINO-A-20 · Inlet air temp (IAT) — 0.5 mm² (≈20 AWG) — — — × W38 OEM-D-4Q · Vehicle speed sensor SPEEDUINO-A-14 · Proto area 1 (flex fuel) — 0.5 mm² (≈20 AWG) — — — × W39 OEM-D-4AA · Brake pedal switch SPEEDUINO-A-18 · Proto area 5 (clutch) — 0.5 mm² (≈20 AWG) — — — ×