Radio to battery

[Mjcruz 10+ year member]

Question I have to wire a radio to the battery directly do I run the negative wire to the battery also or do I ground it to the frame? And what gauge wire should I use

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[goingdef 10+ year member]

Question I have to wire a radio to the battery directly do I run the negative wire to the battery also or do I ground it to the frame? And what gauge wire should I use

why direct and how do you plan on wiring the turn on lead so it doesn't kill the battery?

 

[Mjcruz 10+ year member]

That's what I thought but I second guessed myself but what gauge wire do yu think would work

 

[maylar 10+ year member]

16 gage is good for 10 amps which is what most cars fuse the radio for.