So I decided to finally do my first system install this year. I am planning on doing the big three upgrade but had a question about it. Is using 0 gauge for the big three upgrade and using 4 gauge for the amp power wire pointless? Just to clarify I am thinking about getting a negative battery terminal with 2 0 gauge slots for the grounds. Then get a positive battery terminal that has a 0 gauge (for the positive to the alternator) and 4 gauge slot for the amp in the back. Any help to maybe help me understand a little more is appreciated.
Spl4200
CarAudio.com Elite
I really would suggest running 0/1 are you keeping a battery in the trunk?
run a 1/0 to the back and get a 2nd batteryat the back, then 2nd battery to the amp you can use 4ga, depending how big your amp
Ahmed Johnson
Senior VIP Member
No it won't be. What would be pointless is using 4 gauge for the big 3. I would run 0 gauge o the back though, especially with a second battery.
bbeljefe
CarAudio.com Elite
It's never pointless to use larger power wiring anywhere. And depending on how much power you're running and whether or not your 4 gauge is a) true 4 gauge and b) CCA or ofc, you could be fine with it.
As for your terminals, I would just get dual 1/0 terminals all the way around, because you can terminate 4 gauge in a 1/0 slot with no problem but you cannot upgrade to 1/0 and shove it into a 4 gauge hole.
Also, if you share what equipment you plan to you run, I can give you better advice. ;-)
As for your terminals, I would just get dual 1/0 terminals all the way around, because you can terminate 4 gauge in a 1/0 slot with no problem but you cannot upgrade to 1/0 and shove it into a 4 gauge hole.
Also, if you share what equipment you plan to you run, I can give you better advice. ;-)
mylows10 5,000+ posts
B2,singer,ampere rep
^^^^ this ^^^^
- Thread Starter
- #7
Well for right now I will just be running 2 P2's at around 600 watts each. I do plan to upgrade in the very near future. So it would probably be beneficial to just do the big three with 0 and just use 4 gauge for the amp for now, correct? Oh and my 4 gauge is from Rockford.
Thanks for all the other replies guys, I appreciate it.
jrdnhsnbrg 10+ year member
Pimped my grandma's ride
Use 0ga all around, even for the amp. It's better to have wire that's bigger than you need than wire that's too small.
bbeljefe
CarAudio.com Elite
You should be fine with that man.
- Thread Starter
- #10
Thank you, I appreciate the replies. Helped me out a bunch!
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