Charging system wire around 6 or 8ga

crackedback said

Yes, redline does it.

Lots of home builder guys have used some of the small voltemeters and installed them in the original clusters. If you search here or FBBO, there are some threads on the process.

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I have a question. Mr heaterbox another cluster/gauge restorer claims that they fireproof the ammeter gauge. In a pic they solder/sauter the threaded studs so there is no threat of fire according to them. Is this something that sounds reasonable or better yet believable?