How do you know if an alternator is bad? Where should it read on the amps gauge?
Jun 9, 2008 at 7:04 PM
1994 Ford Bronco
1994 FORD BRONCO
BUBBLES15
- MEMBER
- 1 POST
Advertisement
BMRFIXIT
- ✓ASE Certified Mechanic
- 19,053 POSTS
With a volts meter
connected to the battery terminals read battery volts when engine is running
it should be around 14.5 volts
if under 13 volts alternator may not be charging
if over 14.5 alternator is over charging
Ask an automotive repair question!
https://www.2carpros.com/affiliate/uid/bmrfixit_1_tlid_1
connected to the battery terminals read battery volts when engine is running
it should be around 14.5 volts
if under 13 volts alternator may not be charging
if over 14.5 alternator is over charging
Ask an automotive repair question!
https://www.2carpros.com/affiliate/uid/bmrfixit_1_tlid_1
Jun 9, 2008 at 7:23 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.