C32 new alt, Not Charging, Hidden Fuse - Mercedes-Benz Forum
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post #1 of 2 (permalink) Old 09-15-2017, 04:18 PM Thread Starter
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Date registered: Sep 2017
Vehicle: 2003 C32 AMG
Location: Carson City Nevada
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C32 new alt, Not Charging, Hidden Fuse

Not charging so I put in a new alternator. Still not charging. So the positive cable has a 150 amp fuse somewhere inside the vehicle. The problem is, I cant find it. With the car running, I removed the positive cable and the car died. This shouldn't happen because the alternator will keep it running. Thus, there is a break in the circuit between the alternator and the positive connector cable at the battery. Anyone know the location of the "alternator fuse"? I looked under carpet, back seats, etc. I think it may be under the ashtray IDK!
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post #2 of 2 (permalink) Old 09-17-2017, 04:31 PM
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I did some searching (donít own a C32), and there is no evidence that there is a fuse between the alternator and battery at all. I will say that I had a new alternator installed in my W124 about a year ago that went kaput in a few days. Have you checked the voltage on the battery terminals both pre- and post- engine start?

Other than that, you might post in our regular W203 section, since the vehicles are so similar.

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