RVi Towed Battery Charger +, User Manual, Page: 3 / 4

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You will need to ensure that there is a constant 12V supply to the multi-
pin connector on the bumper of your motorhome.
If there is a constant 12V supply greater than the voltage of the towed
battery, the motorhome engine is running, and the umbilical is plugged
into both the motorhome and the towed vehicle, the RV LED on the TBC+
will
fl ash. If it is not fl ashing , check all terminal connections, the fuse, or
the 12 Volt supply from your motorhome.
For vehicles with rear mounted batteries, consult your owner’s manual
to
fi nd the jump start lug and appropriate ground source for completing
step 2.
RV LED STATES:
GREEN:
Above 13 volts
Flashing : Charging
Solid
: Not Charging &
battery good
YELLOW:
Between 12-13 volts
Flashing : Charging
Solid
: Not Charging & battery
good
RED:
Below 12 volts, &
battery low
TROUBLESHOOTING
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1) Power on the Command Center tablet and hub. To power the
tablet, press and hold the power button for 3 seconds. To power
the hub connect it to the provided USB charger or press the
power button.
NOTE : See the Command Center User Guide for more info.
2) Make sure the LED on the TBC+ is flashing by plugging in the
umbilical to the RV and towed and start the motorhome’s engine.
You can also start the engine of the towed and shut it back off.
WARNING: If you have to disconnect the towed vehicle’s battery for towing,
then it is recommended to disconnect the negative and positive terminal.
Failure to do so can cause damage on the towed vehicle.
PAIRING STEPS
NOTE : The following steps are for pairing to the Command Center tablet and hub. If
you do not have the Command Center system, you can skip these steps.
TBC+ does not come paired with Command Center tablet and hub. The following
steps will walk you through the one time pairing process.
NOTE:
Pairing is not required for TBC+ to perform.