Toad Battery going dead!!
I tow a 2012 Explorer 4-down. I installed a Brake Buddy "Battery Maintainer" to keep it charged. My battery still goes down after 4-7 hrs of towing. I get 12.5 V meter reading @ the Maintainer wire th...
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IMO if you're measuring the 12.5V while your MH engine is running, that isn't sufficient for charging purposes. You need a charging voltage >13V. Since you used the "umbilical" cable for the charging current that may be your problem; the wires may be too small and you're suffering voltage drop. I ran a separate 10 gauge wire for my ToadCharge and zip-tied it to the umbilical cable.
First thing to do is check all your connections to make sure that something isn't loose. If that doesn't raise your voltage you may need to consider running a new charging wire.
First thing to do is check all your connections to make sure that something isn't loose. If that doesn't raise your voltage you may need to consider running a new charging wire.
