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General Category => Yamaha FJ1100 / FJ1200 Running Problems => Topic started by: JimmyD on April 05, 2012, 06:21:01 PM

Title: Not charging battery
Post by: JimmyD on April 05, 2012, 06:21:01 PM
My '86 FJ1200s shows battery voltage at all rpm's, what the heck? Fuses are good, all the wireing is good, what's up? It's an old bike but it's only got 14,986 ml.s. Looking for help here, anyone out there?
Title: Re: Not charging battery
Post by: racerman_27410 on April 05, 2012, 09:13:21 PM
what voltages are you seeing whie the bike is running and how are you reading the voltage?


KOokaloo!
Title: Re: Not charging battery
Post by: SlowOldGuy on April 05, 2012, 09:18:26 PM
I think he's saying that he sees a constant 12 volts.

Dead alternator or regulator (except that usually results in overcharging).

Make sure the connector with the red and brown wire under the left side cover is making good connection.

DavidR.
Title: Re: Not charging battery
Post by: Pat Conlon on April 05, 2012, 09:22:57 PM
There is some salty air in Florida....(hint)
Title: Re: Not charging battery
Post by: JimmyD on April 11, 2012, 09:09:14 PM
Reading voltage at the battery, new battery (AGM), battery voltage at all rpm's. Gonna double check the circuit's, continuity, corrosion, etc..  Thank's All...