Both batteries are fine, they sat at 12.8 with the car off before I did this. Now while the car is on both are barley charging over 12
Just went out and checked it this morning, the batteries sit at a higher voltage with the car off then when the car is on??
2004 Civic Si - K20a2/6spd swap, First gen Fi Q on a Twisted Sounds 1.3k
2015 Veloster turbo 6spd - stock daily driver
1986 Fiero GT - Pride and joy, awaiting a L67 swap