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.