Sentences with phrase «voltage readings while»

If you're getting the low voltage readings while the engine is running, then your issue is likely the alternator.

Make sure to hook up your multimeter to check for the voltage reading while you are trying to start the car and the fuel pump circuit should be live.

Not exact matches

This question came up because I noticed that the RPM reading they were getting was 2700 while on my tach it says 3000, and my voltage is weak at 13.75 v.

Go back and redo your voltage test (still with the engine on), a voltage reading of 13.0 or higher indicates your alternator is still supplying a full charge while under heavy load.

if it's a digital signal you can just backprobe the signal wire while cranking the engine and the voltage reading should be half the supply voltage.