I have a new 6 hrs L4701 battery went dead put a new battery in it dealer supplied 8.5 hrs started to turn over slow ??? showed code P0606 .upon looking on charging battery showed 12.5 volts running or not looked closer at the alternator the plug connector was laying against the block ,took it plug it back in alternator presto started charging 13.5 volts .Apparently they never hook it up from the factory .just kind of weird