answersLogoWhite

0


Best Answer

Running, voltage should be around 13.5 VDC. It may be a little more but shouldn't be much less. Off, the voltage should initially be slightly over 12 VDC but will settle down to around 12 VDC after it sits for a while.

User Avatar

Wiki User

โˆ™ 2006-04-14 16:20:48
This answer is:
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
User Avatar

Add your answer:

Earn +20 pts
Q: On a 1994 Suburban what should the voltmeter read when running and when the engine is off?
Write your answer...
Submit
Related questions

What should the voltmeter in a 1996 GMC suburban read?

13.9 to 14.3 VOLTS with engine running.


How do you no if the Alternator 1999 Honda CR-V is bad?

If you have a voltmeter, measure the voltage across the battery, with the engine running. It should measure around 13 -15 volt (alternator is ok) now turn the engine off it should measure 12volt. If you do not have a voltmeter ,let a friend watch your headlights at night with engine running,than turn engine off, your headlights should go dimmer with engine off.


2000 Ford Focus check alternatorlight?

Check alternator output with a voltmeterA fully charged battery should read approx. 12.8 without engine runningShould read 13.8-14.2 with engine running


How do you know if an alternator is bad?

Check voltage with a voltmeter at the battery With engine running readings should be 13.8-14.2 With engine running hold a screw driver to the back of the alternator, if there is no magnetic field, the alternator is bad.


Volts light came on in 98 Chevy lumina car wont drive what does this mean?

Alternator is not charging battery sufficiently check with voltmeter With engine running voltmeter should read 13.8-14.2


Why does the alternator light stay on?

Alternator not charging battery sufficiently? Check with a voltmeter: A fully charged battery should read approx. 12.8 volts without engine running. With engine running should read approx. 13.8-14.2 volts


How do I test the alternator on a 1999 Pontiac Sunfire?

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


How do you clear the battery warning light on dash after you have changed the battery?

Check to see if the alternator is working Connect a voltmeter to battery: Without engine running reading should be about 12.8 With engine running reading should be 13.8-14.2 If not bad alternator


Why is the battery indicator light on in a 1993 Escort?

Perhaps the alternator is not charging the battery adequately check with a voltmeter A fully charged battery should read around 12.8 (without engine running) With engine running reading should be 13.8-14.2


How can you tell if your 1972 sportster is charging?

Check with a voltmeter a fully charged battery should read approx. 12.8 volts without engine running with engine running at approx. 2500 rpm reading should be approx. 13.8-14.2 volts


2001 Dodge Neon Battery Light?

Check output of alternator--with engine running vots should be 13.8-14.2 Check with a voltmeter


Why would the battery light flash when the gas pedal is pressed and goes off when not pressed?

Weak alternator?Check with a voltmeterWithout engine running and a good battery reading should be around 12.8 With engine running reading should be 13.8-14.2


Replaced battery in 94 Camry and battery indicator still on?

Check alternator output with a voltmeter A fully charged battery should read approx. 12.8 volts without engine running Should read approx. 13.8-14.2 with engine running


What are signs that you have a bad alternator or that its about to go out?

Bearing squeel? Use a voltmeter to check alternator output. A fully charged battery should read approx. 12.8 volts without engine running With engine running voltage should read approx. 13.8-14.2


You changed battery but battery light still came on then it went off why?

Check alternator with a voltmeter A fully charged battery should read approx. 12.8 volts without engine running With engine running reading should be approx. 13.8 - 14.2 volts


What causes your volt light to come on and stop your car?

Alternator not charging battery? Check with a voltmeter A fully charged battery should read approx. 12.8 volts without engine running With engine running reading should be approx. 13.8-14.2 volts


Why does the voltage keep dropping on my battery indicator?

Perhaps alternator is not charging battery sufficiently, test with a voltmeter A fully charged battery should read approx. 12.8 volts without engine running With engine running reading should be approx. 13.8-14.2volts


Battery warning light 2000 Pontiac Grand Prix on?

Bad alternator?Check output with a voltmeter - without engine running battery reading (fully charged) should be around 12.8 With engine running reading should be 13.8-14.2 if not probably a bad alternator


Why does the alt light stay on?

Check to see if the alternator is charging the battery properly. Use a voltmeter - if fully charged battery should read approx. 12.8 without engine running Should read approx. 13.8-14.2 with engine running if alternator is working properly


What does the battery light on a 1990 grand marquis mean?

Alternator may not be charging the battery sufficienty Test with a voltmeter A fully charged battery should read approx. 12.8 volts without engine running Should read approx. 13.8-14.2 with engine running


How do you know if the alternator is bad on a1990 Subaru legacy?

Check with a voltmeter A fully charged battery should read approx. 12.8 volts without engine running When running reading should be approx. 13.8-14.2 volts


After running for a long time why does your 2001 Kia Sephia lose radio and then not want to start?

Perhaps alternator is not charging battery properly - check with a voltmeter a fully charged battery should read approx. 12.8 volts without engine running with engine running reading should be approx. 13.8-14.2 volts


What should the fuel pressure be on a 99 Chevy suburban with a 350 engine?

55 to 62 LBS. No lower and no hayer or you will have starting are running problems.


Why would the battrey light come on in a 1984 BMW 318i?

Alternator may not be charging battery sufficiently- check with a voltmeter A fully charged battery should read approx. 12.8 volts without engine running With engine running should read approx. 13.8-14.2 volts


1997 jeep grand Cherokee alternator test What is the best way to test the alternator and the voltage regulater?

use a voltmeter A fully charged 12v battery should read approx. 12.8 volts without engine running Should read approx. 13.8-14.2 volts with engine running