Electrical Question

[Fear Of Theive 10+ year member]

02 monte carlo ls 3.4

105 amp alt

Skar 1500.1@1ohm(if that matters)

Newer interstate under hood(will replace if needed)

No big 3,going to do that in 0\1 when installing.

Amp isn't currently installed so the car is *****,just trying to have everything lined up so i can just do install in 1\2 days.

What do i need to upgrade my electrical? I was looking at grabbing a 2nd battery,any advice\what should i do?

Been out of audio for a few years so i forgot what i knew.

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