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Discussion Starter #1
Hi Everyone,

2008 300C SRT. 85K miles.

Driving home the red Battery light came on on the instrument cluster - how can I tell for sure if it's the battery vs. alternator?
Note: as soon as the Battery light came on, I noticed a high-pitched "whine" that I usually don't hear.

Any advice is greatly appreciated.

-Sobieski
 

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Discussion Starter #2
Hey all,
12v with no load.
11.5v with load.
Alternator changed out.

If doing this yourself, My tip for posterity is to
Change your oil at the same time to get the oil filter out of the way and there’s an oil cooler line that you can remove from its two brackets to make removal of the alternator easier (possible) from underneath.

Cheers!
 

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Great job! Hope mine never fails, but if it does I've got a leg up on it thanks to you. Keep wrenching!
 
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