couple 2nd battery questions?

[urmomsmin3 10+ year member]

my friend gave me a free battery today its a shuriken sk.bt35 and i wanna put it in my question is do i really have to run a ground all the way from my main battery and how big of a fuse shld i put between the batters i no i need it i have the big 3 done and i have a kicker zx1000.1 in there now but im adding another amp for mids and higs

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[AcuraTL03 10+ year member]

just ground the 2nd battery to the frame in the back.

 

[urmomsmin3 10+ year member]

1 prob with that its gonna be on the floor were your feet would go were my 3rd row seating folds down could i sand a spot and use a self tapper?

 

[neo_styles 10+ year member]

1 prob with that its gonna be on the floor were your feet would go were my 3rd row seating folds down could i sand a spot and use a self tapper?

Yes, but it's a better idea to drill and use a machine bolt

 

[urmomsmin3 10+ year member]

Yes, but it's a better idea to drill and use a machine bolt

alrighty so about fuseing i need 1 12 inches from battery under hood goin to second battery and then 12 inches before it gets to the battery ? then 1 in between the battery and the amp?

 

[bgowdy 5,000+ posts]

my friend gave me a free battery today its a shuriken sk.bt35 and i wanna put it in my question is do i really have to run a ground all the way from my main battery and how big of a fuse shld i put between the batters i no i need it i have the big 3 done and i have a kicker zx1000.1 in there now but im adding another amp for mids and higs

you dont have to, but it does help complete the electrical circut....