Will 2019 GMC Acadia Denali Battery Drain While Flat Towing

Question:

2019 Acadia Denali electrical system when flat towing? Does the battery discharge? I want to know if my battery will be discharging while being towed behind class A? I read directions but nothing about fuse or battery. Help please

asked by: Ray

Expert Reply:

According to the recreational towing section of the online owner's manual for your 2019 GMC Acadia Denali (starting on page 359) there aren't any instructions about disconnecting the battery or removing a fuse to keep the battery from draining.

With that being said, if you were to use a supplemental braking system that draws power directly from the battery, like the Brake Buddy Classic 3 # HM39494, then I do recommend installing the Flexo-Coil Wiring Kit # RM-15267 with the Charge Line Kit # RM-156-25 so that the battery in your Acadia receives a maintenance charge which prevents it from draining.

Please note that a complete flat towing setup also includes a base plate kit, tow bar, safety cables, and possibly a high-low adapter. If you do not have all of these components just let me know and I can make some additional recommendations for you.

expert reply by: Jon G