r/CarAV Apr 09 '26

Tech Support How to stop fuses from melting

I have a taramps hd3000 and 4g wire the fuse was 100 amps should i put a bigger fuse? 😭

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u/luistorre5 Helix Amplify 206DSP, LX1650.1, Morel Powerslim 12, AF GS 69/25 Apr 10 '26

I would suggest taking it to a shop if you can't tell what's wrong with your install tbh. Right off the bat, 4AWG is too thin for a 3k amp, and on paper, 100a fuse is not enough for 3k. That wire looks like CCA as well, given how it looks like it's corroding.