Questions & Answers for: 15 volts car

15 volts. had the alt checkedputting out 15 volts constant. not sure where to look next. I recommend removing the alternator and taking it to Autozone. They can test it for volts, amps, and also check

...15-16 Volts. I took the battery in for testing, BATTERY BAD. I replaced the battery. Still recieved the code and volt meter indication and not at night the headlights pulse. No parts store could test ...

...15 Volts. Is that too much? 15 volts,is a lot,but not to much to worry about,just make sure the connections on the battery are good,and have the battery checked real good,to make sure there is no ...

...Start motor with Volt meter connected to battery, Immediately after starting It should read over 15 volts and then tapper down as battery charges. If does not start at over 15 volt alternator is

...at 12 volts while shut off, and 15 volts while running. No other problems with cranking or running. Any ideas? Thanks. Your alternator is over charging. 15 volts is to much, will mess up your

15 amps Should be 14 volts D/C..........You can check your battery with volt meter. Should read 12 volts D/C,  with the car off.  Some Older Gauges readings may be off. You should check your

...15 volts it may need to be replaced. Some times the battery can cause this fault if its ok check out the following . with the engine at fast idle and head lights on take a volt reading at the battery ...

...12 to 15 volts DC, 200 mA nominal 12 volts. Even tho your alternator puts out 12.5-15 volts, the voltage regulator keeps the battery from overcharging and putting more than 12 volts to your

...15 volts after 2 minutes. is this the alternator The alternator should be showing at least 15 volts when running! Anything lower would indicate the alternator is at fault, since you say it is showing ...

again, it should read approx. 14-15 volts. If it reads 15 volts, your alternator is fine, and your battery is suspect, if it only reads 12 volts when running, then your alternator needs to be replaced