These Tuner Harness Plug Kits are a durable solution for safeguarding your truck’s wiring system, particularly if you've made modifications to the exhaust or EGR harness. It effectively seals unused connectors to prevent moisture, dirt, and debris from causing damage, making it an essential upgrade for off-road enthusiasts.
 
NOTE: These kits do not include components for DEF tanks or shift-on-the-fly tuning caps.
 
**Off-road use only.*