Traxxas 3034 Wiring harness for RX Power Pack Wiring harness for Traxxas nitro vehicles Includes charging jack for charging battery in the vehicle Includes On/Off switch For use with Traxxas receiver battery packs (#3036, #3037) 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 T-Maxx, consult your user's manual for exact parts listings.