THIS WILL REQUIRE MODIFICATIONS TO YOUR TUNE TO RUN DUAL CP3s

Get rid of failure-prone dual CP3 controllers with this simple harness. 

Available in 12in for low mount twin CP3 kits and 18in for high mount twin CP3 kits. 

2003 - 2005 Cummins - HP Tuners
2006 - 2009 Cummins - EFI Live
2010 - 2012 Cummins - NOT RECOMMENDED, Yes it works and can be done but is far more complicated. We recommend using a twin CP3 controller box. 
2013 - 2016 Cummins - EFI Live 

If harnesses are out of stock expect 1-2 week before ship date or call Gray's Performance (303) 305-6884 for rush orders. 

Quantity discounts, custom branding, custom colors and lengths available. 

Gray's Performance

FCA Splitter Harness

  • Sale
  • Regular price $49.95



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