You are WAAAYYYYY overthinking this with all the fuss about lamps and resistances.
1. In your first post you stated "the back of the alternator is magnetized".
I've already told you that means the alternator is excited/the rotating field is magnetized and it should be producing output from the stator through the rectifier bridge. Any change in the lamp or resistor isn't going to make ANY difference after the point the field is getting voltage and is magnetized.
2. You wrote "I messed up the rectifier bridge, by using too low a resistor".
Not a CHANCE of that... the rectifier BRIDGE isn't even involved here. The the diode trio and circuit traces in the
VR CAN be damaged by no or very low resistance in the "excite" circuit, but even 11 Ohms would limit excite current to 1.14 Amps with the battery at 12.5 Volts, which should be safe.
3. With the rotating field magnetized, if there's REALLY no charging output, the alternator is either defective or the belt is slipping, it's as simple as that!
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