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dundee911 dundee911 is offline
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Join Date: Jul 2020
Location: Edinburgh, Scotland
Posts: 4
Garage
Porsche Crest Alternator / electrics HELP!

Hi Guys, new to the forum but been running my '76 911 for over 10 years now.

Just hope someone can provide some tech-help, pointers or things to look out for:

Been having charging issues lately - basically no charge getting to the battery although the alternator checks out all OK [pumps out up to 22v on revs].

HAVE JUST REPLACED THE REGULATOR and now get 13/14v on idle rising to 17/18v on revs, thus charges the battery. [ Also for your info, meter on the regulator terminals: D+ = 14 to 22v and DF = 8 to 11v]

HOWEVER, ignition light glows BRIGHT under revs plus both indicator/turn signal dash gauge lights are illuminated [dim on idle but brighten under revs].

Any suggestions? Just a bad earth or something more sinister.

If the battery continues to get 13/14v to 18v will it fry?

Will the power spikes on revs [max 18v] also fry other components, bulbs etc?

Thanks for your help in advance but if you need anything clarified, just ping me.
Old 07-15-2020, 05:49 AM
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