Traxxas 4579X Wire Harness for The EZ Start and EZ Start 2 Systems Wiring harness connector Fits EZ-Start and EZ-Start 2 Replaces worn or damaged parts Use Traxxas stock and hop-up replacement parts to get the most out of you Traxxas RTR vehicles! This product is made from high quality materials, and designed for lasting performance. This is for use on RC vehicles such as the Traxxas Revo, consult your user's manual for exact parts listings.