LBZ: Batteries draining down

[Helo1959]

07 3500 LS LBZ engine 173k single cab 4x4, something draining my batteries down, batteries are about 1 year old.

 

[Jacy_dzlguy]

If you’re wanting help you need to give more information. Have you tested the batteries?

 

[Ron Nielson]

Look on YouTube for videos pertaining to PARASITIC DRAW. Lots of videos showing different methods, tools, etc. South Main Auto is one of the best.