Hi Drew
Thanks for all your help & patience
Just to confirm;getting a reading of 13.7 V at output on converter"WAFO 8845"
all other items I tested"battery breaker,solinoid,& battery posts all read 12.2 both sides of all devices You mentioned a loss of 1.5 V would be understandable
13.7-1.5=12.2 Ran vechicle for 20 minutes & reading on monitor went to 13.7 but after awhile dropped down to 12.5 Now 30 minutes later & reading at 12.3
I,m leaning toward believing my batteries are the problem Whats your opinion??? It seems to me at some point batteries based on their condition may either not accept a charge or not be able to maintain a full charge???
Plan on taking batteries to a BatteryPlus store where they told me a Hydrometer test is the only way to know condition of batteries They also said they would connect my batteries in series & test over a 2 day period
Not sure if I'm headed in right direction or not but from what I observed the batteries seem to be my problem
Any comments based on above would be WELCOME
Thanks
Ted