Custom Wiring Harness

These companies offer custom wiring harnesses. Please contact us to submit a product or kit.

Use at your own risk. These are companies I have come across while researching for articles. I have not been paid to post and I do not make any claims to their quality.

Custom Engine Wiring Harnesses

Scroll left and right to see more information.

CompanyWiring OfferedPhoneCityState/CountyCountryPostal Code
JT PerformanceRB25, RB26, 1JZ, 2JZ, SR20+64 21 775 912East TāmakiAucklandNew Zealand2013
Tweak'd Performancecustom wiring harnesses for GM LSx, LS1, LS2, Toyota 1JZ, 2JZ, 1UZ, every variation of VVTi and non-VVTi, dual ECU, CAN BUS solutions800-533-6775SummervilleSouth CarolinaUSA29483
Tuck TechSpecializes in Honda harnesses but also other manufacturersFairfield