'89 Supra NA, Manual, New Block, used parts from engine with 70k
3#
2015-10-31
While I'm far from a mechanic, it kinda sounds like the Alternator might be going bad, at least that's what my car did when it was going bad. I would definitely go to a mechanic right away and get it checked though, because that would also ruin your battery if not dealt with right away.