Extra Info:

Highlights

Allows 4th gear to be disabled for exhaust brake use or pulling up hill
Take back control of your overdrive function with BD Diesel LockOut disable controllers! These controllers use your existing Tow Haul button to engage lockout and give the driver to control of 4th gear, or overdrive, for exhaust brake use and pulling duty.

NOTES
12-Months
24,000 Miles