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Custom Harnesses


MoTeC USA manufacturers wiring harnesses under the RaceGrade brand, and we can manufacture any type of wiring loom for any type of vehicle. Whether it's a racecar, street car, off-road vehicle, side by side, boat, aircraft or military vehicle. Our design team has over 20 years experience of all types of vehicles, past and present, and will work closely with you to ensure we meet your exact requirements. 

Using the latest design software, we design the looms using a choice of materials to suit the environment and budget of the electrical system required. As well as building your wiring loom, we also offer you the option of having our engineering team come on site to install and commission your electrical system for you. This ensures 100% interfacing and compatibility with existing sensors and systems. 

All components are fully tested and inspected before completion using Cirrus Solutions automated test equipment. We conform to Systems 25 requirements and are WHMA and IPC certified.

For further information on the types of loom we can provide, please contact us.