Quote:
Originally Posted by Sparky
Same problem here, (2018 Vegas 25.2. Towing jeep with blue ox tow bar and Patriot 2 baking system) Everything working fine, stopped and shut off engine, no power to 12v. Unplugged and reseated the “cigarette lighter”, replaced both fuses at position 70 & 72. Still nothing. What am I missing?
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In the engine compartment on the drivers side, there is a switch that is responsible for connecting the two battery systems together for using the house battery to start the engine if the chassis battery is too low to crank the engine and it is a very convenient place to monitor both battery systems. There are two large battery cables going to the unit and this is where you can check both batteries for their voltage levels. The top "fat" cable is connected to the house battery and the lower "fat" cable is the chassis battery. They should both measure around 12.6V if everything is working properly (engine off and shore power not connected). There are also connections to the ignition "on" and the Battery tie switch for their operation.
If the battery voltages are OK, then check the 100A protection breakers, one located by the engine battery and one located by the house batteries.