Battery Performance Decoded Troubleshooting Fluctuating Readings Mid-Drive

... battery and alternator, the two most common electrical problems in your car or truck! Check out this playlist for more DIY diagnostics tips ... So, it kinda sounds like your battery is not being charged during acceleration. Or else, something is drawing more current (dropping the voltage) ... It sounds like the voltage regulator inside the alternator is bad. Just an FYI most all auto parts stores will test your alternator, battery, ... The slower the engine is running and the higher the electrical load is it will cause voltage to drop slightly but if you increase engine RPM the ... Voltage reading on the dash fluctuates as voltage demands change. With batteries that are old and in need of charge, you will see higher ... Seems to be a normal variance between charging/not charging once a battery is essentially full. Your fairly lengthy trip probably gave your ... Sounds like a bad battery, but I would also check the output of the alternator to make sure it's up to par. You need to see at at least 13.5 ... Well, I disconnected then reconnected the leads myself...then the truck started right up, but the battery gauge/meter started fluctuating. The ... yes perfectly normal. The ELD controls/adjusts the amperage outputted by your alternator depending on the load seen by the ELD. Apr 6, 2017 | 05 ... It's normal. Modern cars will fluctuate voltage depending on load and battery charge state. Hope you got the answers you were looking for, but ...