i have two blue tops and am looking to add a third. I have a perko one battery is for starting the other for the stereo how do i add the third for the stereo?? wiring question. just daisy chain the positives and negatives to the stereo battery or what??? HElp please

Exactly as you said. All (+) to (+) and all (-) to (-). <BR> <BR>That would actually make it a foursome!