RV Repair: monitor panel, damon challenger, momentary switch

Question
own a 98 damon challenger.the monitor for the tanks went dead.replaced the board,still dead.i am getting any power on either side of the momentary switch.used tester to check everything.what are we missing here?also tested batteries,both 6volts were bad.tested with 12v battery,no difference.helppp,please

Answer
Hi Mark, Do you get anything at all?? Or, is it completely dead. If Dead.. Check for a bad fuse. Monitors are tricky. Its hard to troubleshoot them without being there. I would replace the batteries before any thing else. Weak Batteries cause a lot of funky symptoms. Good Luck