The Ford Barn - View Single Post - Keeps blowing fuses

Badpuppy · 01-28-2021, 10:40 AM

The ammeter is between the generator and battery and measures battery charge or discharge current (either direction). Voltage and power are irrelevant to its reading.

Resistance at the ground connection causes a voltage drop; the alternater senses a lower voltage from the battery and increases the output voltage, causing overcurrent through lamps and fuses.

01-28-2021, 10:40 AM	#13
Badpuppy Senior Member Join Date: Dec 2017 Location: Guthrie, OK Posts: 1,145	Re: Keeps blowing fuses — alternator problem? The ammeter is between the generator and battery and measures battery charge or discharge current (either direction). Voltage and power are irrelevant to its reading. Resistance at the ground connection causes a voltage drop; the alternater senses a lower voltage from the battery and increases the output voltage, causing overcurrent through lamps and fuses.