Originally Posted by Nat86
I have a 98 class a thor hurican and I know it shows a range of normal on the cluster but it's showing lower than normal. I checked the alternator and it's showing 13.5 .I'm just not understanding why the cluster dropped down and it has stayed down. It used to be up towards the middle on the cluster. It has been this way for 500 miles. Is this normal to drop down like that and stay?Attachment 19107
13.5 is a little low unless you are having a large draw on the system. You could have a weak battery, voltage regulator or alternator going bad. If you want to make sure, have the system load tested and checked out. Most Autozones, Advance Autos will test them for free.