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92 400e Lights dimming, poor idle , voltage regulator?

947 Views 3 Replies 3 Participants Last post by  oldpool
Changed upper harnesses, lower harness. Ate my last battery, 14.5 volts measured at battery. surging when slowing down. Any ideas? Thanks
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Has the voltage regulator ever been replaced???

On a V8 W124, 14.5V should be OK but anything beyond 15V is too high IMO.

Suggest you replace the regulator with a new Bosch unit. They're inexpensive insurance.
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