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September 23rd, 2019, 06:21 PM   #1
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1998 FE501 was over charging, now seems to not be charging

I'm in the u ited states and I just purchased a mint 98 fe501 with electric start. I'm in the process of installing lights and signals, it already had head and tail lights, but I've recently discovered it was over charging and now it seems to not be charging.... I noticed that my bulbs would blow ad soon as I took off with Amy sort of rpm. I'm thinking my regulator/rectifier is to blame. I was wondering where to get the add on 4 spade connector regulator from. Thanks for any input
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September 24th, 2019, 01:41 AM   #2
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have you checked your wiring diagram through?

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September 25th, 2019, 12:47 AM   #3
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A result of overcharging (presuming you mean excessive voltage) is your battery will quickly take on the characteristics of a hot brick of pointlessness. If it's been boiled dry or otherwise cooked, what's left of your regulator will quickly be destroyed too and you'll end up with an electrical system that only functions when the engine is running... and only for a short time before the lamps blow due to lack of voltage regulation, and possibly ending with a melted alternator!

Sorry to paint such a picture of disaster, but it's all recoverable.

Replace your battery and regulator/rectifier, preferably taking the opportunity to rewire your alternator to three-phase and using a more modern reg/rec design. If you originally had AC lighting, you should of course address that at the same time, converting to DC, to give you an easier platform on which to mount the additional electrical loads.

With a little luck your existing alternator is still OK. Continuing to run the way you describe though will probably destroy it quite quickly and you'll be needing to buy one of those too...

There are other approaches you could take, but this is probably the easiest.

Good luck!

Cheers... Paul
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