Which is why Powermaster suggested to go to a voltmeter. If it's dangerous to put the fusible link at the battery due to the possibility of igniting battery gasses, that leaves putting it under the dash at the ammeter. I don't think anyone here would do that. If those are the choices, I would roll the dice and put it at the battery. That is not all of the choices. The reason I put my fusible link at the back of the Alternator is because it is the threat, not the battery or associated wiring. If a dead short happens, it happens along the entire line so putting it behind the Alt stops the threat as well. Not ideal, but until we get rid of the 50 amp gauge...
You went to a high powered alternator, do the wiring correctly which would include removing the old full current flow ammeter. Its a very worthwhile conversation to have. One of the things on my list is to do the Tech Tips mod to go to Volts. I will examine that avenue fully because it makes sense for those who want to go to a bigger Alt.
I think we have pretty much put the idea to sleep that doing nothing is an option for those who have higher than a 50 amp Alt.
