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How many volts should your 1990 geo metro be putting out with the headlights on?
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1999 Chevy Metro charges 12 volts only?
If the alternator is only putting out 12 volts then it is defective and needs replacing. It should output from 13.5 to 15.5 volts DC. You will need a digital volt meter to get an accurate reading. Analog volt meter is not accurate enough.
What causes the battery light to come on when the headlights goes on?
Your alternator may not be putting out enough Amps to charge your battery and run your headlights as well. You can test this by measuring the voltage from the battery with a multimeter. With the car running the volts should be around 14 or more on a 12 volt battery. Try it with the lights on too.
How can you tell if it is an alternator problem or just a dead battery?
generally if you hook up a multi-meter to the battery and start the engine it should read 13.5 or 14 volts, when you turn on headlights and other accessories the alternator should keep the battery charged up to at least 12 volts, you can also just check the battery to see how many volts it's putting out before you start the vehicle
What voltage should the alternator for a 1999 Saturn SL2 be putting out?
13.5 to 16 volts.
2004 jeep tj 4.0 what should alternator be putting out voltage?
13-15 volts, depends on what the computer wants.
How many volts should a 1967 mercury 390 6.4 be putting out when the engine is running?
A fully charged battery should read approx. 12.8 V without engine running With engine running should read Approx. 13.8-14.2 Volts
What does a 2004 Chevy Trailblazer alternator do when going bad?
On ours the regulator went out and it actually overcharged the battery , (burned up the electrolyte) was putting out 15.4 volts the first sign was that we went through 2 sets of headlights in a month 2 different brands .
How do you know when you alternator go out 2001 Chevy Malibu?
Check the output at the battery posts. With a multimeter it should be putting out between 13.5-15 volts.
Your headlights are dimming is it the alternator?
Check the alternator out put with a voltmeter A fully charged battery should read approx. 12.8 volts without engine running With engine running reading should be 13.8-14.2 volts XXXXXXXXXXXXXXXXXXXX ANSWER XXXXXXXXXXXXXXXXX The voltage regulator is built into the alternator. In some cases it is cheaper to replace the alternator.
What is the amount of voltage for a Mercury Sable alternator?
13.8 - 14.4 volts DC,13.82 with engine running and headlights on!
How many volts should batteries have?
Fully charged battery should have 12.6 volts. 75% charged 12.4 volts, 50% charged 12.2 volts, & 25% charged 12.0 volts.
How many volts should the alternator be sending to the battery on a late model car?
The alternator should be putting out between 13.5 and 16 volts on a good alternator with the engine running as measured with a DC volt meter at the battery posts. Any less or any more and the alternator is defective of the belt is slipping.
