bing tracking image
Summer Starts Here - Save up to 70%
SAVE NOW
Customer Service My Orders

Roadmaster Battery Charge Line Kit for Towed Vehicles Installation - 2021 Ford F-150 Video

content loading

Customers compare RM-156-25 to these similar products




Products Featured in this Video


Roadmaster Battery Charge Line Kit for Towed Vehicles


Roadmaster Accessories and Parts

779 reviews


Code: RM-156-25

Retail: $52.47

Price:  $34.06
  • Accessories and Parts
  • Tow Bar Wiring
  • Battery Charge Line Kit
  • Roadmaster


Kit allows up to 15 amps from your RV's battery to be used to maintain the charge of your towed car's battery while the car is being towed. Charge line connects to the 6-way or 7-way plug on your vehicle. Requires separate charge line in RV.


Do you have a question about part RM-156-25?more information >     


How to Install the Roadmaster Battery Charge Line Kit for Towed Vehicles on a 2021 Ford F-150


Hello neighbors, it's Brad here at etrailer and today we're taking a look and installing the Roadmaster charge line kit on a 2021 Ford F150. Adding a charge line to your F150 is a great option because the battery stays in the accessory mode and stays on while flat towing. Your braking system always uses a little bit of 12 volt power as well. So as you're going down the road that battery's gonna… see more >     


Info for this part was:

Employee Joe V
Test Fit:
Joe V
Employee Randy B
Test Fit:
Randy B
Employee Brent H
Test Fit:
Brent H
Employee Shane H
Test Fit:
Shane H
Employee Robert C
Test Fit:
Robert C
Employee Conner L
Test Fit:
Conner L
Employee Ryan G
Test Fit:
Ryan G
Employee Clayton O
Test Fit:
Clayton O
Employee Kevin C
Test Fit:
Kevin C
Employee Bradley B
Test Fit:
Bradley B
Employee Andrew K
Video by:
Andrew K
Employee David F
Video by:
David F
Employee Michael B
Video by:
Michael B
Employee Jacob H
Video by:
Jacob H
Employee Aidan B
Video by:
Aidan B
Employee Thomas T
Video by:
Thomas T
Employee Ethan H
Video by:
Ethan H
Employee Rick G
Video by:
Rick G
Employee Jeff D
Installed by:
Jeff D
Employee Joshua S
Video Edited:
Joshua S
Employee Jacob T
Video Edited:
Jacob T
Employee Kathleen M
Video Edited:
Kathleen M
Employee Dustin K
Video Edited:
Dustin K
Employee Chris R
Video Edited:
Chris R
Employee Zach D
Video Edited:
Zach D
Employee Jonathan Y
Video Edited:
Jonathan Y
Employee John S
Video Edited:
John S

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.