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Old 02-12-2018, 05:57 PM   #7
Javi
Senior Member
 
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
Quote:
Originally Posted by talk2cpu View Post
I figured it out, someone thought that the 12 volt power circuit should not be active when the truck ignition is off. [emoji144] Saves me from having to install the isolater.
They're correct, quick way to run a truck battery down. With the ?motor not running you are equalizing not charging.

So is it charging the trailer battery while the truck is running.... your original question....

Javi
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2015 Ford F350 DRW 6.7 Diesel XL
2020 Avalanche 313 RS
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