Question: What wires go to an alternator?

Locate the terminal on the alternator labeled B, Bat or Pos. All alternators have this terminal. The wire that connects to it is red and goes to the battery. It is a heavy duty wire as it has to carry high current.

What is D+ on a alternator?

D+ is the warning light connection ( without which it will probably not function) D- is the battery negative connection.

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