answersLogoWhite

0


Best Answer

Connect a voltmeter across the battery terminals without engine running reading should be around 12.8

With engine running reading should be 13.8-14.2 if you are getting these numbers alternator is charging battery

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How do I test the alternator on a 1999 Pontiac Sunfire?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Is it necessary to replace a year-old battery when the alternator is replaced on a 1997 Pontiac Sunfire?

No way, only if the battery fails under a load test


How do you do a pressure test on a 1999 Sunfire?

Pressure test ?? Cooling system? A/C? Fuel Pressure? Compression?


What kind or size of alternator for 1997 Pontiac Transport?

The 1997 Pontiac Transport has 2 different alternators . One is 105 amps and the second is 140 amps. It will depend on the power equipment you have on your vehicle. You may want to get an AVR test to make sure that it is the alternator before changing it. That test is about $30.00. Good luck


How do you check the fuel pressure on a 1996 Pontiac Sunfire?

If you pick up a Haynes or Chilton manual, you'll find all of the fuel system test procedures and requirements. FriPilot


Dodge avenger battery dead?

Charge it, replace it,test the alternator,Charge it, replace it,test the alternator,


How can you tell your alternator about to quit 1999 Grand marquis?

Test the volts out with a Volt Meter. Or take it to Advance Auto Parts. They will check it for free.


How do test your alternator while in the car and the car will not start?

Car would either have to be running or alternator removed for bench test


Where can you test drive a Pontiac G6 convertible?

You can test drive a Pontiac G6 convertible at a local Pontiac dealership. You may also be able to locate a used car dealership that has a Pontiac G6 convertible and be able to test drive the car there.


What could cause a 1999 Regal LS to occasionally have a dead battery the battery and alternator test good?

Bad connection, connections to battery aren't tight.


How do you wire alternator to a battery to test alternator?

run it and then disconnect the negative wire from the battery if alternator dies its bad.


Why do the low fuel security and battery lights keep blinking on my 1999 Chevy silverado?

if your dash lights are fading in and out you probably need to go to auto zone and have your alternator test and a load test done on your battery


How to know if the alternator is out in a 1993 Pontiac sun bird?

An old quick trick is to remove the positive terminal from the battery while the car is running. If the car dies or runs very rough the odds are it's the alternator. A lot of auto stores will test the whole charging system for free.