After a fire.....

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First why not take a partial or complete load off the amp gauge and associate wiring. It's a extremely simple job.
Are you suggesting a volt meter, and just bypass the original gauge? MIght you have a link to that theread?
I'm sorry I asked the trans. question on the wrong tread. But as far as taking some of the load off there is no thread that I know of. Personal and professional knowledge. I've been doing it this way on my cars since about 69 when my first amp gauge burned out. Also I've been doing this on all my friends Mopars and past customer cars for about the same time frame. Never had one issue. But this goes along with a couple of other simple mods. If you would like to know just pm me. I'm just getting too old for all the drama. But I am more than happy to help out.