Quote:
Originally Posted by ohekk
An important tip from Bob Bennett:
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There should be 2 wires to the alternator:
- Main power
- Exciter circuit
There should be a 500 ohm resistor in the exciter circuit so the charging system will work in the event the amber / "Idiot" light on the dash burns out.
Without the resistor, the charging system will NOT work (if the amber light is burned out.)
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This is Tom, lead tech for Bennett Coachworks. Just wanted to add that the resistor is wired in parallel with the "Idiot" light and a 1/2 watt resistor is all you need. Also it does not have to be exactly 500 ohms, Radio Shack stocks 470 ohm, 1/2 watt resistors that work great for this application.