big three upgrade for 1987 toyota supra

[supra1987]

Need help before I unhook fuse box I can't tell where to run wire from alternator output to positive on battery.seems not to go directly from alternator to battery.any suggestions?

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[mylows10 5,000+ posts]

First off you don't unhook anything. Just add

 

[supra1987]

Thanks for response.that sounds reasonable enough.I will add an extra 4 gauge wire from output on alternator straight to positive post on battery over already existing wires.