Trailblazer/Envoy Battery Cable Upgrade 5.3L/6.0L

A simple upgrade for your Trailblazer/Envoy charging system. You’ll notice brighter headlights at night and less dimming when accessories turn on. Trailblazer 3 Cable battery upgrade includes the above plus an additional ground from the engine block to the truck.

These cables are professionally built in the USA!