Bosch Voltage Regulator Wiring Diagram. Kit includes rebuilt unicharge alternator with pulley and self exciting regulator resistor 12 volt coil wiring harness top alternator bracket alternator base bracket alternator adjusting arm belt and instructions. You should see a reading of about 12 volts indicating a good ground.
Then check that the 5 volt reference is getting to the sensor by. But battery a gets the full charging voltage 140 volts for example but battery b only gets 130 volts so not. Just for kicks clip a test light gator clip to the coil positive nut.
Alternator parts and components.
42 out of 5 stars 38. 1971 vw beetle turn signal wiring diagram. We will still have the voltage drop although it will be smaller as the charging current is a lot less than the cranking current for starting your engine lets call it 14 volt 025 volts on each cable so now the engine is running and the batteries are charging. The pcm can then adjust the voltage to the fuel pump and reduce or increase the pressure without the need for a mechanical regulator and return line back to the tank.