big 3 and extra battery detailed diagram

[RF_toyotaGS300 10+ year member]

i need a diagram to properly install the big 3 along with a deep cycle battery that will be in the trunk.....also i shouldn't need a capacitor right?

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[04murdalanche]

i need a diagram to properly install the big 3 along with a deep cycle battery that will be in the trunk.....also i shouldn't need a capacitor right?

do not use a capacitor, waste of time.. what car do you have?

 

[RF_toyotaGS300 10+ year member]

i have a 2001 lexus gs 300 mine was sent to a "professional" install shop and they did not wire my **** right i bought the extra deep cycle battery so i wouldn't have to deal with a cap

 

[knightsdaze 10+ year member]

i need a diagram to properly install the big 3 along with a deep cycle battery that will be in the trunk.....also i shouldn't need a capacitor right?

You can find both a dual battery tutorial and a big 3 sticky on this site bro.. just look in the help 101.