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djdawson2 djdawson2 is offline
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Join Date: May 2009
Location: Evergreen, CO
Posts: 231
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I would tend to agree with your mechanic's assessment. A failing alternator, assuming your battery is fully charged, could not cause these symptoms.

I don't know the 914 at all. However, what you are describing sounds like poor grounding to the chassis. I would check your grounds... from battery to chassis and from engine to chassis. Considering where you live, it is fairly common for ground strap connections to become corroded and no longer functional.

Typically, any time you have erratic functioning of electrical accessories, the culprit is a poor ground... assuming constant power supply to the fuse panel. This is what I would suggest you spend some diagnostic time.

It is not unusual for alternators of your vintage to require the engine to be revved up a bit before it will excite and begin to charge.

Hope this helps,
Old 11-03-2009, 04:56 PM
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