Diode bridge failure can be caused by faulty batteries, a short circuit in the alternator stator winding, heat generated by loose connections, etc. No matter the scenario, the alternator is an ...

A failing alternator can leave you stranded on the side of the road. Here’s how to make sure yours is working properly, with tips from an expert.

The diodes are the electronic part of the alternator that convert AC voltage to DC. Switch your multimeter to the lowest AC setting and reattach the test leads to the battery.