Quote:
Originally Posted by Beastie
The alternator is a know fault and I have seen engines stall because of them.
If you throw your DMM on it and it drops below 14v at idle, then it isn't charging properly.
I have seen some drop as low as 11v will all the accessories on.
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Geez the alternator output is all over the shop. When it’s doing it’s hunt thing the voltage is about 14v at 1200rpm and falls to 12.9 when the idle drops to 850rpm then bounces back to about 13.8 (with the idle still at 850).
On the road it sits around 13.7/13.9v no matter whether it’s spinning at 2000 or 5000 rpm.
Putting on the A/C and headlights sees it drop to about 12.9v.
Think I’d better go find a new one!