For starters I would unhook the two terminal connection at alternator. Then with a jumper ground the wire in that connector that goes to the field in alternator. If the lamp lights, which it should if all is good in regulator and wiring then your problem is in the alternator. If it does not light, check connections, bulb, resistor and lastly regulator. As you can see from the diagram Jim posted, the lamp feeds through the points in regulator to fields in alternator and this current flow excites the alternator. Once it starts charging, the relay closes, lamp goes out and current for alternator is fed through relay to regulator.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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