Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
Components
| Ref | Kind | Part | Exclude from BOM |
|---|---|---|---|
| APP-J | connector | ||
| MAIN-R | connector | ||
| NEW-BATT | terminal | ||
| NEW-FUELPUMP | terminal | ||
| NEW-KEYON | terminal | ||
| OEM-C175E | connector | ||
| SP-0V | splice | ||
| SP-14V | splice | ||
| SP-5V1 | splice | ||
| SP-5V2 | splice | ||
| SP-GND | splice | ||
| SPEEDUINO-A | connector | ||
| SPEEDUINO-PWR | connector | ||
| TB-J | connector |
Create part
Cut list
Lengths need a layout (0 of 51 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-C175E-18 / SP-14V-1 | 0.85 | PCM power feed (VPWR, fused) |
| W2 | NEW-KEYON-1 / MAIN-R-COIL+ | 0.5 | Relay coil positive (ignition-switched +12V) |
| W3 | NEW-BATT-1 / MAIN-R-IN | 0.85 | Relay contact input (battery + via main fuse) |
| W4 | MAIN-R-COIL- / SP-GND-1 | 0.5 | Relay coil negative (ECU low-side driver) |
| W5 | MAIN-R-OUT / SPEEDUINO-PWR-12V | 0.85 | Relay contact output (switched +12V bus) |
| W6 | SP-GND-1 / SPEEDUINO-A-10 | 0.85 | Ground |
| W7 | SP-GND-1 / SPEEDUINO-A-9 | 0.85 | Ground |
| W8 | APP-J-GND1 / SP-0V-1 | 0.5 | Pedal 1 low ref |
| W9 | APP-J-GND2 / SP-0V-1 | 0.5 | Pedal 2 low ref |
| W10 | OEM-C175E-23 / SP-0V-1 | 0.5 | Electronic throttle control return (ETCRTN) |
| W11 | OEM-C175E-40 / SP-0V-1 | 0.5 | VR sensor return (VRSRTN) |
| W12 | OEM-C175E-49 / SP-0V-1 | 0.5 | Signal return engine #2 |
| W13 | OEM-C175E-52 / SP-0V-1 | 0.5 | Knock sensor 1 bank 1 return (KS1−) |
| W14 | OEM-C175E-54 / SP-0V-1 | 0.5 | VR sensor return (VRSRTN) |
| W15 | OEM-C175E-67 / SP-0V-1 | 0.5 | Knock sensor 2 bank 1 return (KS2−) |
| W16 | OEM-C175E-69 / SP-0V-1 | 0.5 | Crankshaft position return (CKP−) |
| W17 | TB-J-GND / SP-0V-1 | 0.5 | Throttle sensor ground |
| W18 | SP-0V-1 / SPEEDUINO-A-12 | 0.5 | Ground |
| W19 | SP-0V-1 / SPEEDUINO-A-23 | 0.5 | Ground |
| W20 | APP-J-VCC1 / SP-5V1-1 | 0.5 | Pedal 1 5V supply |
| W21 | APP-J-VCC2 / SP-5V1-1 | 0.5 | Pedal 2 5V supply |
| W22 | TB-J-VCC / SP-5V1-1 | 0.5 | Throttle 5V supply |
| W23 | SP-5V1-1 / SPEEDUINO-A-13 | 0.5 | 5V |
| W24 | OEM-C175E-17 / SP-5V2-1 | 0.5 | Buffered power supply sensors (VBPWR) |
| W25 | OEM-C175E-34 / SP-5V2-1 | 0.5 | Voltage reference engine (VREF) |
| W26 | OEM-C175E-8 / SP-5V2-1 | 0.5 | Electronic throttle control reference (ETCREF) |
| W27 | SP-5V2-1 / SPEEDUINO-A-28 | 0.5 | 5V |
| W28 | OEM-C175E-70 / SPEEDUINO-A-25 | 0.5 | Crankshaft position (CKP+) |
| W29 | OEM-C175E-55 / SPEEDUINO-A-24 | 0.5 | Camshaft position bank 1 (CMP1) |
| W30 | OEM-C175E-56 / SPEEDUINO-A-26 | 0.5 | Camshaft position bank 1 exhaust (CMP1 EX) |
| W31 | OEM-C175E-41 / SPEEDUINO-A-14 | 0.5 | Camshaft position bank 2 (CMP2) |
| W32 | OEM-C175E-1 / SPEEDUINO-A-1 | 0.5 | Fuel injector driver 1 (INJ 1) |
| W33 | OEM-C175E-62 / SPEEDUINO-A-2 | 0.5 | Fuel injector driver 2 (INJ 2) |
| W34 | OEM-C175E-46 / SPEEDUINO-A-3 | 0.5 | Fuel injector driver 3 (INJ 3) |
| W35 | OEM-C175E-3 / SPEEDUINO-A-5 | 0.5 | Fuel injector driver 4 (INJ 4) |
| W36 | OEM-C175E-2 / SPEEDUINO-A-1 | 0.5 | Fuel injector driver 5 (INJ 5) |
| W37 | OEM-C175E-31 / SPEEDUINO-A-2 | 0.5 | Fuel injector driver 6 (INJ 6) |
| W38 | OEM-C175E-61 / SPEEDUINO-A-3 | 0.5 | Fuel injector driver 7 (INJ 7) |
| W39 | OEM-C175E-16 / SPEEDUINO-A-5 | 0.5 | Fuel injector driver 8 (INJ 8) |
| W40 | TB-J-M- / SPEEDUINO-A-32 | 0.5 | Throttle motor − |
| W41 | TB-J-M+ / SPEEDUINO-A-31 | 0.5 | Throttle motor + |
| W42 | SPEEDUINO-A-16 / NEW-FUELPUMP-1 | 0.5 | Proto area 3 (fuel pump) |
| W43 | OEM-C175E-10 / SPEEDUINO-A-22 | 0.5 | Throttle position 1 (TP1-NS) |
| W44 | OEM-C175E-27 / SPEEDUINO-A-20 | 0.5 | Intake air temperature (IAT) |
| W45 | OEM-C175E-47 / SPEEDUINO-A-19 | 0.5 | Cylinder head temperature (CHT) |
| W46 | OEM-C175E-5 / SPEEDUINO-A-15 | 0.5 | Variable camshaft timing valve 1 (VCT1) |
| W47 | OEM-C175E-4 / SPEEDUINO-A-36 | 0.5 | Variable camshaft timing valve 2 (VCT2) |
| W48 | OEM-C175E-7 / SPEEDUINO-A-35 | 0.5 | Variable camshaft timing valve 3 (VCT3) |
| W49 | OEM-C175E-6 / SPEEDUINO-A-37 | 0.5 | Variable camshaft timing valve 4 (VCT4) |
| W50 | OEM-C175E-44 / SPEEDUINO-A-11 | 0.5 | Intake manifold monitor (IMM) |
| W51 | OEM-C175E-30 / SPEEDUINO-A-18 | 0.5 | Engine oil level switch (EOL) |
Bill of materials
No wire parts assigned: 51 wires need a wire part.
| Part number | Manufacturer | Description | Qty | Unit | Unit price | Buy |
|---|---|---|---|---|---|---|
| connector3 lines | ||||||
| COYOTE-PCM-A | — | 2011–14 Mustang GT PCM 70-way connector C175E (housing P/N unknown) | 1 | ea | Mouser ↗Digi-Key ↗Amazon ↗ | |
| FORD-COYOTE-APP | Ford | Ford Coyote accelerator pedal plug (P/N unknown; 6-way) | 1 | ea | Mouser ↗Digi-Key ↗Amazon ↗ | |
| FORD-COYOTE-TB | Ford | Ford Coyote throttle body plug (P/N unknown; 6-way) | 1 | ea | Mouser ↗Digi-Key ↗Amazon ↗ | |