Hey all, I’m installing a rallye tach into my dash and I’ve seen a few things on this forums page about how MSD could kill your factory tach. I don’t want to spend a good amount of money on a nice tach just for it to get fried by the electrical system. If this is true, should I buy a MSD Tach adapter for my it? Th
I dont think the stock tach will work with msd without some sort of adapter. You can swap out the tach board with this one. It works with MSD.
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