A multimeter on a battery at idle gives you a static voltage reading — not whether the alternator can carry electrical load. A real alternator load test runs th…
A multimeter on a battery at idle gives you a static voltage reading — not whether the alternator can carry electrical load. A real alternator load test runs the headlights, A/C, and accessories while measuring voltage drop.
If voltage drops below 13.5V under load, the alternator is failing. Replace before it strands you.
Our drivers carry real load testers. Standard $125/hr rate, $20 off when you book online.
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