Questions & Answers for: how do voltmeter work

tac not working voltmeter went to 19 volts then rh@stayed ther just purchased 2004 gmc1500 sierra . tac@voltmeter siezed low. gm dealer did sweep volt showed16volts tac dead 2days later voltmeter went

how do I ckeck my altenator on 1992 buick regal If there is a voltmeter in the car and the voltage is above 14 volts with the engine running, your alternator is working. If you don't have a voltmeter ...

...If it does not work then you might ger up to 18V from the alternator on high RPM. Connect voltmeter across the battery and rev the engine up. The voltmeter must show not more then 14V at any

...voltmeter just about anywhere for less than $20.  Even the older analog type (with the sweep needle) would work for testing your alternator enough to know if it's working or not.  More ...

...the alternator,my gage still is reading a low amp One way to be sure the gauge is right is to put a voltmeter on the battery with engine running. If the voltmeter reads under 13 volts, alternator is ...

voltmeter work. gauge does not work. rascal three wheel 600 Hi it might B you're volt meter a bad connection or the control box is not sending information to the voltmeter. Very hard to diagnose the ...

2000 peterbilt 378 replaced starter...now when started voltmeter shows 12 instead of 14...and when you turn lights on...radio goes off and voltmeter drops to 10.. Sounds like the Alternator is NOT ...

work? Check the window's power and ground to the master switch. Pull off the connector that goes to the window controls. Use a test light or voltmeter. With key in ON, one wire to the connector should

How to add up how many watts Im pushing out my system Watts is voltage times current at the speaker terminals. You'll need an audio voltmeter to measure. An ordinary voltmeter will NOT work

...work. What next? Next is probably the turn signal switch. If you have a voltmeter, however, you could be more likely to find the problem, using it to test for voltage at places in the circuit. So I ...