Ok so I have the setup I am running in my sig, even when cruising at 35-40mph I still get voltage drop, when sitting still at a light or something its not common for it to sit at 12v and drop a little lower when bumping.
I really dont think I should be having issues with 2 batteries and a HO alt.
The battery upfront and the battery in the back have a power wire connecting them, both grounded at the chassis. and the 2nd batt in the back goes to the amp.
Any suggestions or ideas?
