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Eric WalkerJul 28, 2025
What to do if the Black & Decker BDV1084 alternator voltage is out of range under load?
- SScott HughesJul 28, 2025
If the alternator voltage is out of the typical range during a load test, there might be several reasons: * Loose fan belts could be the issue. Check them and tighten if necessary. * There may be an intermittent diode failure, requiring inspection. * Bad connections between the battery and alternator or ground could also be the cause. Inspect and clean these connections.












