W1 OEM-4-B · ECU power +12V (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 M170-A-23 · Battery Positive — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 M170-A-32 · Battery Positive — 0.85 mm² (≈18 AWG) — — — × W4 SP-14V-1 M170-A-41 · Battery Positive — 0.85 mm² (≈18 AWG) — — — × W5 OEM-4-I · Permanent +12V (battery) M170-A-54 · Battery Backup — 0.85 mm² (≈18 AWG) — — — × W6 OEM-4-A · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-4-C · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 OEM-4-D · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W9 OEM-4-K · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 M170-A-14 · Battery Negative 1 — 0.85 mm² (≈18 AWG) — — — × W11 SP-GND-1 M170-A-15 · Battery Negative 2 — 0.85 mm² (≈18 AWG) — — — × W12 SP-GND-1 M170-A-19 · Battery Negative 3 — 0.85 mm² (≈18 AWG) — — — × W13 SP-GND-1 M170-A-20 · Battery Negative 4 — 0.85 mm² (≈18 AWG) — — — × W14 SP-GND-1 M170-A-21 · Battery Negative 5 — 0.85 mm² (≈18 AWG) — — — × W15 OEM-3-O · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W16 OEM-4-H · Crank pickup timing ground (CKP gnd) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W17 SP-0V-1 M170-A-11 · Sensor 0V A — 0.5 mm² (≈20 AWG) — — — × W18 SP-0V-1 M170-A-27 · Sensor 0V B — 0.5 mm² (≈20 AWG) — — — × W19 OEM-3-I · +5V sensor reference M170-A-16 · Sensor 5.0V A — 0.5 mm² (≈20 AWG) — — — × W20 OEM-4-E · Crank position (CKP) sensor M170-A-49 · Universal Digital Input 1 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-4-G · CAS SGC (cam sync) M170-A-56 · Universal Digital Input 2 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-4-F · CAS SGT (cam trigger) M170-A-46 · Universal Digital Input 3 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-4-N · Ignition coil trigger (cyl 1&4) M170-A-1 · Low Side Ignition 1 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-4-R · Ignition coil trigger (cyl 2&3) M170-A-5 · Low Side Ignition 2 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-4-U · Injector 1 (cyl 1) M170-A-33 · Peak Hold Injector 1 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-4-V · Injector 2 (cyl 2) M170-A-43 · Low Side Injector 1 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-4-W · Injector 3 (cyl 3) M170-A-50 · Peak Hold Injector 2 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-4-X · Injector 4 (cyl 4) M170-A-51 · Low Side Injector 2 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-3-B · MAF sensor input M170-A-26 · Analogue Voltage Input 1 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-3-F · Throttle position (TPS) M170-A-18 · Analogue Voltage Input 2 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-3-G · Engine coolant temp (CLT) M170-A-28 · Analogue Temperature Input 1 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-1-A · Cooling fan relay (low-side) M170-A-63 · Peak Hold Injector 3 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-1-B · A/C condenser fan relay M170-A-66 · Peak Hold Injector 4 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-1-G · A/C clutch relay M170-A-24 · Peak Hold Injector 5 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-1-U · Fuel pump relay (low-side) M170-A-42 · Peak Hold Injector 6 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-3-M · Front O2 heater control M170-A-57 · Peak Hold Injector 7 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-1-E · Check engine light (MIL) M170-A-62 · Peak Hold Injector 8 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-3-H · EGR boost sensor M170-A-6 · Analogue Voltage Input 3 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-3-N · EGR boost sensor (2nd channel) M170-A-7 · Analogue Voltage Input 4 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-3-C · Front O2 sensor input M170-A-12 · Analogue Voltage Input 5 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-3-D · Rear O2 sensor input M170-A-36 · Analogue Voltage Input 6 — 0.5 mm² (≈20 AWG) — — — × W42 OEM-3-K · Intake air temp (IAT) M170-A-38 · Analogue Temperature Input 2 — 0.5 mm² (≈20 AWG) — — — × W43 OEM-3-J · EGR valve position sensor M170-A-35 · Analogue Voltage Input 7 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-1-M · Vehicle speed sensor (VSS) M170-A-45 · Universal Digital Input 4 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-1-C · Starter input (12V while cranking) M170-A-52 · Universal Digital Input 5 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-1-K · A/C pressure switch (A/C request) M170-A-53 · Universal Digital Input 6 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-1-L · Clutch switch M170-A-13 · Universal Digital Input 7 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-1-Q · Brake switch M170-A-22 · Universal Digital Input 8 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-3-L · Idle switch (closed throttle) M170-A-44 · Analogue Voltage Input 8 — 0.5 mm² (≈20 AWG) — — — ×