From Bruce Bergman in another thread:
And you are right Hachi, with a killer stereo, and a scanner, AND both fog and driving lights, now you are getting into oversized alternator needed territory.
But a word of advice: Oversized alternators also need an oversized output lead from the alternator to the battery, or you will see smoke where you don't want it...
Abandon the factory Battery/Alternator lead in place in the harness
- you may need to insulate the alternator end and leave it connected to the battery if there are other items tapped off it, check the wiring diagrams. And run a nice chunk of #4 Welding Cable or better (with some corrugated loom for extra ground-out resistance) between the {+} battery post adapter and the alternator output stud.
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So, today my car sits in a space at worked reserved for "Alternative Fuel Vehicles Only.
With a cord coming out from under the hood plugged into a socket on the light pole.
Hybrid in need of a charge?
Nah...wouldn't START this morning!!! Click click click click click...
I suppose the red cover over the + terminal should have been a tip off... The car did sit for three weeks.
I'll charge it today and see what happens over the weekend... I haven't been driving it because the weather has been nice (really nice late Summer days here in New England...) so I've been driving the Supra. A few more weeks and it goes into the garage until next Spring.
Hmmm....3 year/60,000 mile warranty...