HOW DOES THE LIGHTING CIRCUIT WORK ON THE ALTBAT...

1967 Chevrolet El Camino

Tiny

Anonymous

November, 17, 2012 AT 2:23 PM

How does the lighting circuit work on the Alt, Bat, etc. Typically, potential volts (12vdc) into a load (light bulb) to common or ground will control the light. Does the Alt curcuit have a high impedence resistor or something to allow dash light to be on when ignition is "on", then light turns off when engine is running and then turns from dim to bright as Alt ot Batt loses voltage? Can you clarify please and thank you.

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1 Answer

Tiny

ASEMaster6371

November, 17, 2012 AT 7:31 PM

There is power to the alt light and the ground is controlled in the alt. When the ground is interrupted, the light goes out and the alt is charging. When there is a continued ground, the alt is not charging

Roy

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