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Connecting Optima for stereo only

Topaz

By Topaz,
in Car Audio & Electrical

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Topaz Grand Master

Topaz

Posted
Posted

I am gunna have 2 batteries, the one under the bonnet and one in the boot for stereo powa. The battery under the bonnet at the moment is a 360CCA, I think.

how do I hook up the second battery?

I am pretty sure it has to connect to the alternator so that it charges while the car is on (forgive me I am a n00b at this). So if assumption proves me well I can just connect it to the fron battery because that one is already connected to the alternator, right!...and ground the Optima to anywhere on the body, right!

............have I just created this thread for no reason?, I'll post to be sure.

is the above right?

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SERIES_II Enthusiast

SERIES_II

Posted
Posted

ahhhh u could do that or.....

get 4 gauge wire travel it from battery from front to back and put isolater solenoid about 30-40cm from batter from the same line. use 4 gauge wire from negative of rear battery to a solid point of the chasis in the boot somewhere

i think thats about it oh and use 2 fuses one at front battery and one on rear battery

Topaz Grand Master

Topaz

Posted
  • Author
Posted

thanks SERIES_II, thats what I think I am gunna end up doing anyway....

where do I thread a piece of cable from the front to the back running through the firewall?, I could see no points of access through it.....

are those isolator solenoids what stop the sudden backward surges of power?, had a mate tell me about those yesterday and that I needed one for my setup

CerealKiller Veteran

CerealKiller

Posted
Posted
ahhhh u could do that or.....

get 4 gauge wire travel it from battery from front to back and put isolater solenoid about 30-40cm from batter from the same line. use 4 gauge wire from negative of rear battery to a solid point of the chasis in the boot somewhere  

i think thats about it oh and use 2 fuses one at front battery and one on rear battery

only 4 gauge? Shouldn't you run 0 gauge wire?

Topaz Grand Master

Topaz

Posted
  • Author
Posted
only 4 gauge? Shouldn't you run 0 gauge wire?

thats a good point actually, I think I will get 2 Gauge for it as I am running 2 Gauge from my Optima to the amps and 2 Gauge ground....I always thought 0 Gauge was overkill

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