Using 12V while hooked up to the tow vehicle
We have a new Viking 17BH. Only used twice so far. It's been in storage since our Michigan trip in July. The battery has been on a trickle charger. When I went to install the battery to winterize, ...
Forum Discussion
If tow vehicle/trailer cord allows for trailer 12V to function then trailer battery is not fully charged.
The tow vehicle/trailer cord only supplies 12V Charge line to battery.....does NOT connect to trailer interior 12V system except thru charging battery
(connects/runs trailer exterior lights/brake/turn signals)
If trailer interior 12V system functions when connected to tow vehicle then battery in-line fuse is good, converter reverse polarity fuses are good and battery disconnect switch (if you have one) is on.
Only thing left is a low voltage battery
The tow vehicle/trailer cord only supplies 12V Charge line to battery.....does NOT connect to trailer interior 12V system except thru charging battery
(connects/runs trailer exterior lights/brake/turn signals)
If trailer interior 12V system functions when connected to tow vehicle then battery in-line fuse is good, converter reverse polarity fuses are good and battery disconnect switch (if you have one) is on.
Only thing left is a low voltage battery
