W1 OEM-4-B · ECU power +12V (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 SP-14V-1 SHADOW8-A-1 · ECU supply — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 SHADOW8-B-26 · Aux 9–12 power supply — 0.85 mm² (≈18 AWG) — — — × W4 OEM-4-I · Permanent +12V (battery) SHADOW8-B-1 · Battery constant (HOT) supply — 0.85 mm² (≈18 AWG) — — — × W5 OEM-4-A · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-4-C · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-4-D · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 OEM-4-K · Chassis ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 SHADOW8-A-34 · Ground 2 — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 SHADOW8-A-9 · Ground 1 — 0.85 mm² (≈18 AWG) — — — × W11 OEM-3-O · Sensor ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W12 OEM-4-H · Crank pickup timing ground (CKP gnd) SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W13 SP-0V-1 SHADOW8-A-4 · 0V analog reference — 0.5 mm² (≈20 AWG) — — — × W14 SP-0V-1 SHADOW8-A-7 · Trigger ground — 0.5 mm² (≈20 AWG) — — — × W15 OEM-3-I · +5V sensor reference SHADOW8-A-3 · 5.0V sensor supply — 0.5 mm² (≈20 AWG) — — — × W16 OEM-4-E · Crank position (CKP) sensor SHADOW8-A-5 · Crank position sensor — 0.5 mm² (≈20 AWG) — — — × W17 OEM-4-G · CAS SGC (cam sync) SHADOW8-A-6 · Sync position sensor — 0.5 mm² (≈20 AWG) — — — × W18 OEM-4-N · Ignition coil trigger (cyl 1&4) SHADOW8-B-27 · Ignition TTL cylinder 1 — 0.5 mm² (≈20 AWG) — — — × W19 OEM-4-R · Ignition coil trigger (cyl 2&3) SHADOW8-B-28 · Ignition TTL cylinder 2 — 0.5 mm² (≈20 AWG) — — — × W20 OEM-4-U · Injector 1 (cyl 1) SHADOW8-B-2 · Injector cylinder 1 — 0.5 mm² (≈20 AWG) — — — × W21 OEM-4-V · Injector 2 (cyl 2) SHADOW8-B-3 · Injector cylinder 2 — 0.5 mm² (≈20 AWG) — — — × W22 OEM-4-W · Injector 3 (cyl 3) SHADOW8-B-4 · Injector cylinder 3 — 0.5 mm² (≈20 AWG) — — — × W23 OEM-4-X · Injector 4 (cyl 4) SHADOW8-B-5 · Injector cylinder 4 — 0.5 mm² (≈20 AWG) — — — × W24 OEM-3-B · MAF sensor input SHADOW8-A-10 · Analog voltage 1 — 0.5 mm² (≈20 AWG) — — — × W25 OEM-3-F · Throttle position (TPS) SHADOW8-A-11 · Analog voltage 2 — 0.5 mm² (≈20 AWG) — — — × W26 OEM-3-G · Engine coolant temp (CLT) SHADOW8-A-12 · Analog voltage 3 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-1-A · Cooling fan relay (low-side) SHADOW8-B-10 · Aux output 1 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-1-B · A/C condenser fan relay SHADOW8-B-11 · Aux output 2 — 0.5 mm² (≈20 AWG) — — — × W29 OEM-1-G · A/C clutch relay SHADOW8-B-12 · Aux output 3 — 0.5 mm² (≈20 AWG) — — — × W30 OEM-1-U · Fuel pump relay (low-side) SHADOW8-B-13 · Aux output 4 — 0.5 mm² (≈20 AWG) — — — × W31 OEM-3-M · Front O2 heater control SHADOW8-B-14 · Aux output 5 — 0.5 mm² (≈20 AWG) — — — × W32 OEM-1-E · Check engine light (MIL) SHADOW8-B-15 · Aux output 6 — 0.5 mm² (≈20 AWG) — — — × W33 OEM-4-J · PRC solenoid (FPR control) SHADOW8-B-16 · Aux output 7 — 0.5 mm² (≈20 AWG) — — — × W34 OEM-4-O · EGR vent solenoid SHADOW8-B-17 · Aux output 8 — 0.5 mm² (≈20 AWG) — — — × W35 OEM-4-P · EGR vacuum solenoid SHADOW8-B-6 · Injector cylinder 5 — 0.5 mm² (≈20 AWG) — — — × W36 OEM-4-Q · Idle air control (IAC) valve SHADOW8-B-7 · Injector cylinder 6 — 0.5 mm² (≈20 AWG) — — — × W37 OEM-4-T · EVAP purge solenoid SHADOW8-B-8 · Injector cylinder 7 — 0.5 mm² (≈20 AWG) — — — × W38 OEM-3-H · EGR boost sensor SHADOW8-A-13 · Analog voltage 4 — 0.5 mm² (≈20 AWG) — — — × W39 OEM-3-N · EGR boost sensor (2nd channel) SHADOW8-A-14 · Analog voltage 5 — 0.5 mm² (≈20 AWG) — — — × W40 OEM-3-C · Front O2 sensor input SHADOW8-A-18 · Analog voltage 6 — 0.5 mm² (≈20 AWG) — — — × W41 OEM-3-D · Rear O2 sensor input SHADOW8-A-19 · Analog voltage 7 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W42 OEM-3-K · Intake air temp (IAT) SHADOW8-A-20 · Analog voltage 8 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W43 OEM-3-J · EGR valve position sensor SHADOW8-A-21 · Analog voltage 9 (switchable 1k pull-up) — 0.5 mm² (≈20 AWG) — — — × W44 OEM-1-M · Vehicle speed sensor (VSS) SHADOW8-A-26 · Digital input 1 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-1-C · Starter input (12V while cranking) SHADOW8-A-27 · Digital input 2 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-1-K · A/C pressure switch (A/C request) SHADOW8-A-28 · Digital input 3 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-1-L · Clutch switch SHADOW8-A-29 · Digital input 4 — 0.5 mm² (≈20 AWG) — — — × W48 OEM-1-Q · Brake switch SHADOW8-A-30 · Digital input 5 — 0.5 mm² (≈20 AWG) — — — × W49 OEM-3-L · Idle switch (closed throttle) SHADOW8-A-31 · Digital input 6 — 0.5 mm² (≈20 AWG) — — — × W50 OEM-3-P · Power steering pressure switch SHADOW8-B-18 · Digital input 7 — 0.5 mm² (≈20 AWG) — — — ×