W1 OEM-A-23 · Power ground (PG1) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-A-24 · Power ground (PG2) SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W3 OEM-B-2 · Chassis ground (LG2) 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-26 · Sensor ground (LG1) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W7 OEM-B-10 · CYL 2M — CYP sensor 2 return SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W8 OEM-B-12 · CYL 1M — CYP sensor 1 return SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W9 OEM-B-14 · CRNK 2M — TDC sensor return SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W10 OEM-B-16 · CRNK 1M — crank sensor return SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W11 OEM-D-21 · Sensor ground (SG) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 OEM-D-22 · Sensor ground (SG) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 SP-0V-1 SPEEDUINO-A-12 · Ground — 0.5 mm² (≈20 AWG) — — — × W14 SP-0V-1 SPEEDUINO-A-23 · Ground — 0.5 mm² (≈20 AWG) — — — × W15 OEM-D-18 · +5V sensor supply (VCC) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W16 OEM-D-19 · +5V sensor supply (VCC) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-D-20 · +5V sensor supply (VCC) SP-5V1-1 — 0.5 mm² (≈20 AWG) — — — × W18 SP-5V1-1 SPEEDUINO-A-13 · 5V — 0.5 mm² (≈20 AWG) — — — × W19 OEM-B-15 · CRNK 1P — crank sensor signal SPEEDUINO-A-25 · Crank input / VR1+ — 0.5 mm² (≈20 AWG) — — — × W20 OEM-B-13 · CRNK 2P — TDC sensor signal SPEEDUINO-A-27 · VR1- — 0.5 mm² (≈20 AWG) — — — × W21 OEM-B-11 · CYL 1P — CYP sensor 1 signal SPEEDUINO-A-24 · Cam input / VR2+ — 0.5 mm² (≈20 AWG) — — — × W22 OEM-B-9 · CYL 2P — CYP sensor 2 signal SPEEDUINO-A-26 · VR2- — 0.5 mm² (≈20 AWG) — — — × W23 OEM-A-21 · Ignition coil 1 SPEEDUINO-A-7 · Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-A-22 · Ignition coil 2 SPEEDUINO-A-34 · Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-B-8 · Ignition coil 3 SPEEDUINO-A-33 · Ignition 3 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-B-6 · Ignition coil 4 SPEEDUINO-A-8 · Ignition 4 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-A-1 · Injector 1 SPEEDUINO-A-1 · Injector 1 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-A-3 · Injector 2 SPEEDUINO-A-2 · Injector 2 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-A-5 · Injector 3 SPEEDUINO-A-3 · Injector 3 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-A-2 · Injector 4 SPEEDUINO-A-5 · Injector 4 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-A-4 · Injector 5 SPEEDUINO-A-1 · Injector 1 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-A-6 · Injector 6 SPEEDUINO-A-2 · Injector 2 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-D-17 · MAP sensor SPEEDUINO-A-11 · MAP sensor (0-5V) — 0.5 mm² (≈20 AWG) — — — × W34 OEM-D-11 · Throttle position sensor (TPS) SPEEDUINO-A-22 · TPS input — 0.5 mm² (≈20 AWG) — — — × W35 OEM-D-13 · Engine coolant temperature (ECT) SPEEDUINO-A-19 · Coolant temp (CLT) — 0.5 mm² (≈20 AWG) — — — × W36 OEM-A-8 · Fuel pump relay 2 (FLR2) SPEEDUINO-A-16 · Proto area 3 (fuel pump) — 0.5 mm² (≈20 AWG) — — — × W37 OEM-A-15 · A/C clutch relay (ACC) SPEEDUINO-A-15 · Proto area 2 (fan) — 0.5 mm² (≈20 AWG) — — — × W38 OEM-A-18 · Radiator fan control (FANCNTR) SPEEDUINO-A-36 · Idle 2 (3-wire idle) — 0.5 mm² (≈20 AWG) — — — × W39 OEM-A-7 · Main relay SPEEDUINO-A-35 · Boost — 0.5 mm² (≈20 AWG) — — — × W40 OEM-A-10 · Front O2 sensor heater (HTCNTF) SPEEDUINO-A-37 · PWM idle — 0.5 mm² (≈20 AWG) — — — × W41 OEM-A-12 · Rear O2 sensor heater (HTCNTR) SPEEDUINO-A-38 · VVT — 0.5 mm² (≈20 AWG) — — — × W42 OEM-C-4 · Tachometer output (NEP) SPEEDUINO-A-17 · Proto area 4 (tachometer) — 0.5 mm² (≈20 AWG) — — — × W43 OEM-D-14 · Primary O2 sensor SPEEDUINO-A-21 · O2 sensor — 0.5 mm² (≈20 AWG) — — — × W44 OEM-D-15 · Intake air temperature (IAT) SPEEDUINO-A-20 · Inlet air temp (IAT) — 0.5 mm² (≈20 AWG) — — — × W45 OEM-C-2 · Vehicle speed sensor (VSS) SPEEDUINO-A-14 · Proto area 1 (flex fuel) — 0.5 mm² (≈20 AWG) — — — × W46 OEM-D-9 · Alternator FR signal SPEEDUINO-A-18 · Proto area 5 (clutch) — 0.5 mm² (≈20 AWG) — — — ×