| MRE Pin Number | TS Name | Type | VFR | Typical Function | Pigtail Color | ext wire color | Subharness Connector |
| 1 | Battery Sense | 12V | B8 | 12V Supply from main relay output, see also pin 29. DO NOT FORGET ABOUT PIN 5. | white right | RED | B14 |
| 2 | pgnd | A9/A20 | Power GND | white | BLACK | G12 | |
| 3 | 3 - Lowside 2 | ls | Idle solenoid | white | NC | ||
| 4 | etb | ETB+ | white | NC | |||
| 5 | 12V | B8 | 12V supply from Key (turn on/off power) primary source of +12v | black | RED | B5 | |
| 6 | pgnd | B1 | Power GND | black | BLACK | B4 | |
| 7 | 7 - Lowside 1 | ls | VVT | black | NC | ||
| 8 | etb | ETB- | black | NC | |||
| 9 | 9 - Ignition 1 | ign | A10 | Ignition 1 | dark blue | green | G1 |
| 10 | 10 - Ignition 2 | ign | A21 | Ignition 2 | dark blue | green | G6 |
| 11 | 11 - Ignition 3 | ign | A11 | Ignition 3 | dark blue | green | G2 |
| 12 | 12 - Ignition 4 | ign | A22 | Ignition 4 | dark blue | green | G7 |
| 13 | 13 - GP Out 6 | gp_high | A18 | Alternator (see JP2 jumper note) | yellow | yellow | G5 |
| 14 | 14 - GP Out 5 | gp_high | (see JP2 jumper note) | yellow | NC | ||
| 15 | usb | USB white wire https://youtu.be/4v2VnP-YdlQ | yellow | NC | |||
| 16 | usb | USB green wire https://youtu.be/4v2VnP-YdlQ | yellow | NC | |||
| 17 | sgnd | B2 | Signal GND | red right | ORANGE | na | |
| 18 | 18 - AN temp 1 | at | B15 | CLT sensor | red | white | 7 |
| 19 | 19 - AN volt 4 | av | Starting from version 0.5.0 this pin can be used as 5V input for USB connection through main connector (No need to open case to access micro-USB connector) WATCH OUT FOR D7 | red | NC | ||
| 20 | 20 - AN volt 5 | av | B14 | Throttle position sensor (TPS) | red left | white | 8 |
| 21 | sgnd | B12/B2 | Signal GND | dark green | ORANGE | B1 | |
| 22 | 22 - AN temp 4 or Hall Input | at | dark green | NC | |||
| 23 | 23 - AN temp 2 | at | B5 | IAT sensor or SENT input! | dark green | white | B10 |
| 24 | 24 - AN temp 3 or Hall Input | at | dark green | NC | |||
| 25 | 25 - Hall Cam | hall | B17 | SPEED SENSOR | light blue right | white | 6 |
| 26 | 26 - AN volt 2 | av | TPS2 | light blue | NC | ||
| 27 | 27 - AN volt 1 | av | B3 | MAP sensor | light blue | gray | B12 |
| 28 | 28 - AN volt 10, Aux Reuse | av | B4 | AN volt 10, for aux see R85 | light blue left | gray | B11 |
| 29 | mr | NC | Main relay control signal (low side) | pink right | blue | ||
| 30 | 30 - AN volt 7 | av | Throttle Pedal Position Sensor 2 (PPS2) | pink | NC | ||
| 31 | 31 - AN volt 3 | av | Throttle Pedal Position Sensor (PPS) | pink | NC | ||
| 32 | 32 - AN volt 6, Aux Reuse | av | External wideband O2 sensor WBO AFR EGO, for aux see R86 | pink | NC | ||
| 33 | 33 - GP Out 3 | gp_low, gp_pp | (IDLE stepper coil 2+) | orange right | NC | ||
| 34 | 34 - GP Out 2 | gp_low, gp_pp | A5 fuelpump | Fan relay (IDLE stepper coil 1-) | orange | orange | G10 |
| 35 | 35 - GP Out 1 | gp_low, gp_pp | A7filight | Fuel pump relay (IDLE stepper coil 1+) | orange | orange | G11 |
| 36 | 36 - AN volt 8, Aux Reuse | av | AN volt 8, for aux see R84 | orange left | NC | ||
| 37 | 37 - Injector 1 | inj | A4 | Injector 1 | grey right | Yellow | G9 |
| 38 | 38 - Injector 2 | inj | A15 | Injector 2 | grey | Yellow | G4 |
| 39 | 5v | B7 | MAP sensor supply | grey | blue | B9 | |
| 40 | 40 - AN volt 9, Aux Reuse | av | AN volt 9 without R30, low side output with R30 | grey | NC | ||
| 41 | 41 - Injector 3 | inj | A3 | Injector 3 | brown right | Yellow | G8 |
| 42 | 42 - Injector 4 | inj | A14 | Injector 4 | brown | Yellow | G3 |
| 43 | 43 - GP Out 4 | gp_low, gp_pp | (IDLE stepper coil 2+) | brown | NC | ||
| 44 | 5v | B7 | TPS sensor supply | brown left | blue | B13 | |
| 45 | 45 - VR/Hall Crank | vr hall | B11 | Crank VR+/hall | light green right | green | B3 |
| 46 | vr | B12 | Crank VR- (do not connect if hall) | light green | orange | B2 | |
| 47 | can | CAN bus Low | light green | NC | |||
| 48 | can | CAN bus High | light green | NC |