W1 OEM-B-1 · Power source 1 (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W2 OEM-B-9 · Power source 2 (main relay) SP-14V-1 — 0.85 mm² (≈18 AWG) — — — × W3 SP-14V-1 MS3PROULTIMA-A-35 · 12V+ switched power in — 0.85 mm² (≈18 AWG) — — — × W4 OEM-B-21 · Backup power (battery constant) MS3PROULTIMA-C-23 · Keep alive power — 0.85 mm² (≈18 AWG) — — — × W5 OEM-B-10 · Power ground 2 SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W6 OEM-B-2 · Power ground 1 SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W7 OEM-B-20 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W8 OEM-B-22 · Ground SP-GND-1 — 0.85 mm² (≈18 AWG) — — — × W9 SP-GND-1 MS3PROULTIMA-A-13 · Power ground — 0.85 mm² (≈18 AWG) — — — × W10 SP-GND-1 MS3PROULTIMA-B-18 · Ground — 0.85 mm² (≈18 AWG) — — — × W11 SP-GND-1 MS3PROULTIMA-B-3 · Ground — 0.85 mm² (≈18 AWG) — — — × W12 SP-GND-1 MS3PROULTIMA-B-5 · Ground — 0.85 mm² (≈18 AWG) — — — × W13 SP-GND-1 MS3PROULTIMA-B-7 · Ground — 0.85 mm² (≈18 AWG) — — — × W14 SP-GND-1 MS3PROULTIMA-B-9 · Ground — 0.85 mm² (≈18 AWG) — — — × W15 OEM-C-18 · Sensor ground 2 SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W16 OEM-C-30 · Cam (TDC2) sensor − SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W17 OEM-C-31 · Timing ground SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W18 OEM-C-7 · Sensor ground 1 SP-0V-1 — 0.5 mm² (≈20 AWG) — — — × W19 SP-0V-1 MS3PROULTIMA-A-16 · Logic ground — 0.5 mm² (≈20 AWG) — — — × W20 SP-0V-1 MS3PROULTIMA-A-18 · Sensor return — 0.5 mm² (≈20 AWG) — — — × W21 SP-0V-1 MS3PROULTIMA-C-17 · Sensor return — 0.5 mm² (≈20 AWG) — — — × W22 SP-0V-1 MS3PROULTIMA-C-18 · Sensor return — 0.5 mm² (≈20 AWG) — — — × W23 SP-0V-1 MS3PROULTIMA-C-19 · Sensor return — 0.5 mm² (≈20 AWG) — — — × W24 SP-0V-1 MS3PROULTIMA-C-20 · Sensor return — 0.5 mm² (≈20 AWG) — — — × W25 SP-0V-1 MS3PROULTIMA-C-21 · Sensor return — 0.5 mm² (≈20 AWG) — — — × W26 OEM-C-19 · Sensor 5V supply 1 (MAP) MS3PROULTIMA-A-8 · 5V+ VREF out 1 — 0.5 mm² (≈20 AWG) — — — × W27 OEM-C-28 · Sensor 5V supply 2 MS3PROULTIMA-C-15 · 5V+ VREF out 2 — 0.5 mm² (≈20 AWG) — — — × W28 OEM-C-9 · Crank sensor − (CKP−) MS3PROULTIMA-A-15 · CKP− — 0.5 mm² (≈20 AWG) — — — × W29 OEM-C-8 · Crank sensor + (CKP+) MS3PROULTIMA-A-6 · CKP+ — 0.5 mm² (≈20 AWG) — — — × W30 OEM-C-21 · Cam (TDC1) sensor − MS3PROULTIMA-A-27 · CMP− — 0.5 mm² (≈20 AWG) — — — × W31 OEM-C-20 · Cam (TDC1) sensor + MS3PROULTIMA-A-26 · CMP+ — 0.5 mm² (≈20 AWG) — — — × W32 OEM-C-29 · Cam (TDC2) sensor + MS3PROULTIMA-B-34 · Digital Frequency in 1 VR+ — 0.5 mm² (≈20 AWG) — — — × W33 SP-0V-1 MS3PROULTIMA-B-35 · Digital Frequency in 1 VR− — 0.5 mm² (≈20 AWG) — — — × W34 OEM-C-4 · Ignition coil 1 MS3PROULTIMA-B-13 · Spark out G — 0.5 mm² (≈20 AWG) — — — × W35 OEM-C-12 · Ignition coil 2 MS3PROULTIMA-B-14 · Spark out E — 0.5 mm² (≈20 AWG) — — — × W36 OEM-C-13 · Ignition coil 3 MS3PROULTIMA-B-15 · Spark out C — 0.5 mm² (≈20 AWG) — — — × W37 OEM-C-14 · Ignition coil 4 MS3PROULTIMA-B-16 · Spark out H — 0.5 mm² (≈20 AWG) — — — × W38 OEM-B-11 · Injector 1 MS3PROULTIMA-A-3 · Injector out J — 0.5 mm² (≈20 AWG) — — — × W39 OEM-B-3 · Injector 2 MS3PROULTIMA-A-4 · Injector out I — 0.5 mm² (≈20 AWG) — — — × W40 OEM-B-4 · Injector 3 MS3PROULTIMA-B-1 · Injector out A — 0.5 mm² (≈20 AWG) — — — × W41 OEM-B-5 · Injector 4 MS3PROULTIMA-B-10 · Injector out F — 0.5 mm² (≈20 AWG) — — — × W42 OEM-A-15 · Fuel pump relay (USDM) MS3PROULTIMA-A-28 · Fuel pump relay out — 0.5 mm² (≈20 AWG) — — — × W43 OEM-A-16 · Fuel pump relay (JDM) MS3PROULTIMA-A-14 · PWM / Idle Out 1 — 0.5 mm² (≈20 AWG) — — — × W44 OEM-A-17 · A/C clutch relay MS3PROULTIMA-C-4 · Digital out 1 — 0.5 mm² (≈20 AWG) — — — × W45 OEM-A-20 · Radiator fan relay MS3PROULTIMA-A-29 · PWM out 2 — 0.5 mm² (≈20 AWG) — — — × W46 OEM-A-28 · Air pump relay MS3PROULTIMA-C-3 · Digital out 2 — 0.5 mm² (≈20 AWG) — — — × W47 OEM-B-12 · VTEC solenoid RLY1-R-OUT · Relay contact output (switched +12 V to load) — 0.5 mm² (≈20 AWG) — — — × W48 SP-14V-1 RLY1-R-IN · Relay contact input (switched +12 V) — 0.5 mm² (≈20 AWG) — — — × W49 SP-14V-1 RLY1-R-COIL+ · Relay coil positive (switched +12 V) — 0.5 mm² (≈20 AWG) — — — × W50 RLY1-R-COIL- · Relay coil negative (ECU low-side driver) MS3PROULTIMA-A-30 · PWM out 3 — 0.5 mm² (≈20 AWG) — — — × W51 OEM-C-1 · Primary O2 heater MS3PROULTIMA-C-2 · PWM out 4 — 0.5 mm² (≈20 AWG) — — — × W52 OEM-C-11 · Secondary O2 heater control MS3PROULTIMA-C-1 · PWM out 5 — 0.5 mm² (≈20 AWG) — — — × W53 OEM-B-23 · Idle air control valve MS3PROULTIMA-A-1 · High current out 1 — 0.5 mm² (≈20 AWG) — — — × W54 OEM-A-1 · Coolant temp gauge drive MS3PROULTIMA-A-2 · High current out 2 — 0.5 mm² (≈20 AWG) — — — × W55 OEM-A-12 · Immobilizer indicator light MS3PROULTIMA-A-5 · High current out 3 — 0.5 mm² (≈20 AWG) — — — × W56 OEM-A-18 · Check engine light (MIL) MS3PROULTIMA-B-11 · Injector out G — 0.5 mm² (≈20 AWG) — — — × W57 OEM-A-2 · Air control valve solenoid MS3PROULTIMA-B-12 · Injector out H — 0.5 mm² (≈20 AWG) — — — × W58 OEM-A-3 · Evap bypass solenoid MS3PROULTIMA-B-2 · Injector out B — 0.5 mm² (≈20 AWG) — — — × W59 OEM-A-4 · Evap canister vent shut valve MS3PROULTIMA-B-4 · Injector out C — 0.5 mm² (≈20 AWG) — — — × W60 OEM-A-6 · Evap canister purge valve MS3PROULTIMA-B-6 · Injector out D — 0.5 mm² (≈20 AWG) — — — × W61 OEM-C-2 · Alternator control MS3PROULTIMA-B-8 · Injector out E — 0.5 mm² (≈20 AWG) — — — × W62 OEM-A-19 · Tacho output MS3PROULTIMA-A-24 · Tach out — 0.5 mm² (≈20 AWG) — — — × W63 OEM-C-17 · MAP sensor MS3PROULTIMA-A-19 · Analog in 1 — 0.5 mm² (≈20 AWG) — — — × W64 OEM-C-27 · Throttle position sensor MS3PROULTIMA-A-9 · TPS in — 0.5 mm² (≈20 AWG) — — — × W65 OEM-A-23 · Secondary O2 sensor MS3PROULTIMA-A-25 · O2 in — 0.5 mm² (≈20 AWG) — — — × W66 OEM-C-15 · Secondary O2 sensor MS3PROULTIMA-A-20 · Analog in 2 — 0.5 mm² (≈20 AWG) — — — × W67 OEM-C-16 · Primary O2 sensor MS3PROULTIMA-A-21 · Analog in 3 — 0.5 mm² (≈20 AWG) — — — × W68 OEM-C-26 · Coolant temp sensor MS3PROULTIMA-A-10 · MAT in — 0.5 mm² (≈20 AWG) — — — × W69 OEM-C-25 · Intake air temp sensor MS3PROULTIMA-A-11 · CLT in — 0.5 mm² (≈20 AWG) — — — × W70 OEM-A-29 · Fuel tank pressure sensor MS3PROULTIMA-A-22 · Analog In 4 — 0.5 mm² (≈20 AWG) — — — × W71 OEM-A-30 · Electrical load detector MS3PROULTIMA-A-23 · Analog In 5 — 0.5 mm² (≈20 AWG) — — — × W72 OEM-C-24 · Air pump electric current sensor MS3PROULTIMA-A-12 · Analog In 6 — 0.5 mm² (≈20 AWG) — — — × W73 OEM-A-9 · Vehicle speed sensor MS3PROULTIMA-B-28 · Digital frequency in 1 — 0.5 mm² (≈20 AWG) — — — × W74 OEM-C-5 · Alternator FR signal MS3PROULTIMA-B-17 · Digital frequency in 2 — 0.5 mm² (≈20 AWG) — — — × W75 OEM-A-24 · Starter switch signal MS3PROULTIMA-A-32 · Digital switched in 1 — 0.5 mm² (≈20 AWG) — — — × W76 OEM-A-26 · Power steering load detect MS3PROULTIMA-B-20 · Digital switched in 2 — 0.5 mm² (≈20 AWG) — — — × W77 OEM-A-27 · A/C switch (request) MS3PROULTIMA-B-29 · Digital switched in 3 — 0.5 mm² (≈20 AWG) — — — × W78 OEM-A-32 · Brake switch MS3PROULTIMA-C-11 · Digital switched in 4 — 0.5 mm² (≈20 AWG) — — — × W79 OEM-C-10 · VTEC pressure switch MS3PROULTIMA-C-10 · Digital switched in 5 — 0.5 mm² (≈20 AWG) — — — ×