MaxxECU Race Gen 2 Pinout & Wiring Diagram Guide Technical pinouts, connector assignments, and suggested wiring layouts for the MaxxECU Race Gen 2 .
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Component Specifications​
The MaxxECU Race Gen 2 is a premium control unit designed for high-performance motorsport and automotive applications.
Specification Details Component Name MaxxECU Race Gen 2 Manufacturer MaxxECU Part Number Race Gen 2Category Control unit Dimensions 240mm (W) x 138mm (H) x N/A (D)
Connectors & Pin Assignments​
Below is the structured electrical wiring pinout map for the MaxxECU Race Gen 2. Wiringly automatically tracks suggested wire specifications and color collections from this master component.
Superseal 1.0, 34POS, COD 1 (2-1437285-3)​
Connector Specifications​
Property Details Connector Part Number 2-1437285-3Compatible Terminals 3-1447221-4, 3-1447221-3
Pin Function/Description Suggested Wire Color 1 Ignition 1 Blue 2 Ignition 2 Blue 3 Ignition 3 Blue 4 Ignition 4 Blue 5 GP Out 1 Green 6 GP Out 2 Green 7 GP Out 3 Green 8 GP Out 4 Green 9 Engine GND Brown 10 Digital/VR 1 (PULSE) SIGNAL + White 11 Digital/VR 1 (PULSE) SIGNAL - Brown 12 Digital/VR 1 (PULSE) POWER SUPPLY Pink 13 Digital/VR 1 (PULSE) SHIELD Black 14 Sensor GND Brown 15 CAN L Pink 16 CAN H Grey 17 GP Out 5 Green 18 Digital/VR 2 (PULSE) SIGNAL + White 19 Digital/VR 2 (PULSE) SIGNAL - Brown 20 Digital/VR 2 (PULSE) POWER SUPPLY Pink 21 Digital/VR 2 (PULSE) SHIELD Black 22 5V Sensor Supply Pink 23 Digital/VR 3 (PULSE) SIGNAL + Violet 24 Digital/VR 4 (PULSE) SIGNAL + Violet 25 12V supply 1 Red 26 AIN 1 Black 27 AIN 2 Black 28 AIN 3 Black 29 AIN 4 Black 30 AIN 5 Black 31 Injector 1 Grey 32 Injector 2 Grey 33 Injector 3 Grey 34 Injector 4 Grey
Superseal 1.0, 34POS, COD 2 (3-1437290-9)​
Connector Specifications​
Property Details Connector Part Number 3-1437290-9Compatible Terminals 3-1447221-3, 3-1447221-4
Pin Function/Description Suggested Wire Color 1 Ignition 5 Blue 2 Ignition 6 Blue 3 GP Out 6 Green 4 AIN 6 Black 5 AIN 7 Black 6 AIN 8 Black 7 GP out 13 (H-BRIDGE 1) White 8 GP out 14 (H-BRIDGE 1) White 9 Engine GND Brown 10 WBO2 Sensor 1 UN / RE Grey 11 WBO2 Sensor 1 IPN / VM Yellow 12 GP out 7 / WBO2 Sensor 1 H- Green 13 AIN 9 Black 14 AIN 10 Black 15 AIN 11 Black 16 AIN 12 Black 17 AIN 13 Black 18 WBO2 sensor 1 RT / IA Black 19 WBO2 sensor 1 APE / IP White 20 12V WBO2 sensor 1 H+ Red 21 WBO2 sensor 1 SHIELD Black 22 AIN 14 Black 23 AIN 15 Black 24 12V supply 3 Red 25 12V supply 2 Red 26 Ground Shield Black 27 Knock 1 - Brown 28 Knock 1 + White 29 Knock 2 Shield Black 30 Knock 2 - Brown 31 Knock 2 + White 32 AIN 16 Black 33 Injector 5 Grey 34 Injector 6 Grey
MaxxECU MX3 (MX3)​
Connector Specifications​
Property Details Connector Part Number MX3Compatible Terminals 3-1447221-4, 3-1447221-3
Pin Function/Description Suggested Wire Color 1 GP out 15 (H-BRIDGE 2) White 2 GP out 16 (H-BRIDGE 2) White 3 Ignition 7 Blue 4 Ignition 8 Blue 5 Ignition 9 Blue 6 Ignition 10 Blue 7 Ignition 11 Blue 8 Ignition 12 Blue 9 Engine GND Brown 10 WBO2 sensor 2 UN / RE Grey 11 WBO2 sensor 2 IPN / VM Yellow 12 GP Out 8 (GND) / WBO2 Sensor 2 H- Green 13 WBO2 sensor 2 SHIELD Black 14 GP OUT 9 (12V) White 15 GP OUT 10 (12V) White 16 GP OUT 11 (12V) White 17 GP OUT 12 (12V) White 18 WBO2 sensor 2 RT / IA Black 19 WBO2 sensor 2 APE / IP White 20 12V WBO2 sensor 2 (H+) Red 21 AIN 17 Black 22 AIN 18 Black 23 AIN 19 Black 24 AIN 20 Black 25 AIN 21 Black 26 AIN 22 Black 27 AIN 23 Black 28 AIN 24 Black 29 Injector 7 Grey 30 Injector 8 Grey 31 Injector 9 Grey 32 Injector 10 Grey 33 Injector 11 Grey 34 Injector 12 Grey
MaxxECU MX4 (MX4)​
Connector Specifications​
Property Details Connector Part Number MX4Compatible Terminals 3-1447221-3, 3-1447221-4
Pin Function/Description Suggested Wire Color 1 Digital/VR 5 (PULSE) SHIELD Black 2 Digital/VR 5 (PULSE) SIGNAL - Brown 3 Digital/VR 5 (PULSE) SIGNAL + White 4 Digital/VR 6 (PULSE) SHIELD Black 5 Digital/VR 6 (PULSE) SIGNAL - Brown 6 Digital/VR 6 (PULSE) SIGNAL + White 7 Digital/VR 7 (PULSE) SHIELD Black 8 Digital/VR 7 (PULSE) SIGNAL - Brown 9 Digital/VR 7 (PULSE) SIGNAL + White 10 EGT 1+ Yellow 11 EGT 2+ Yellow 12 EGT 3+ Yellow 13 EGT 4+ Yellow 14 EGT 5+ Yellow 15 EGT 6+ Yellow 16 EGT 7+ Yellow 17 EGT 8+ Yellow 18 EGT 1- Red 19 EGT 2- Red 20 EGT 3- Red 21 EGT 4- Red 22 EGT 5- Red 23 EGT 6- Red 24 EGT 7- Red 25 EGT 8- Red 26 Digital/VR 8 (PULSE) SHIELD Black 27 Digital/VR 8 (PULSE) SIGNAL - Brown 28 Digital/VR 8 (PULSE) SIGNAL + White 29 CAN 2 L Grey 30 CAN 2 H White 31 Injector 13 Grey 32 Injector 14 Grey 33 Injector 15 Grey 34 Injector 16 Grey
Harness Integration in Wiringly​
Wiringly simplifies the process of creating complete, error-free wiring schematics. Using our interactive digital canvas, you can drop the MaxxECU Race Gen 2 directly into your project, automatically load these pin assignments, and connect them to your power distribution units or engine control units. If you are new to the platform, we recommend starting with our Quick Start Guide .
The platform tracks your wire colors, gauges, and terminal types automatically, compiling a complete bill of materials (BOM) and cutting list for your physical build.