Quoting Removed, click Modern View to seeMight charge & might not, depending on the specific VR used. All 10SI VRs are NOT the same design. Some go wide open/full output if sense line is open, others shut down the output for that same open. With a very small lamp and the 40 Ohm resistor inside, that may look like an 'open/too low sense voltage when the sense & excite are reversed.
Re: J2b-idiot light in reply to JMOR, 04-18-2013 13:52:40
Quoting Removed, click Modern View to see I checked voltage across battery with engine off and then with engine running and got the same reading..about 12.5 volts. We are just using a small light in the #2 wire but we're going to switch the wires at the alternator and see if it does any better, and I think we're going to try that diode instead of the light.
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