Harley Davidson Battery Not Charging

Battery not charging.

Harley davidson battery not charging. Jump to Latest Follow 1 - 14 of 14 Posts. 2004 harley davidson ultra classic charging system going crazy will charge fine until it gets up to 3000 rpms and then it starts jumping from 145 down to 12 and then back up again until the rpms drop. The alternator in turn is made up of the rotor and the stator.

A forum community dedicated to all Harley-Davidson model owners and enthusiasts. My 04 Harley Ultra is not charging the battery. If not the battery could be going bad.

My 04 Harley Ultra is not charging the battery. Oct 23 2009 2003 Harley Davidson FXSTD Softail Deuce. I only brought the bike recently and owner had fitted New battery obviously hiding battery charging issue so on 3rd battery since Have not done many miles till New One went dead any advice.

Battery takes a charge from battery charger and holds the charge. Basically this does not allow the regulator to send voltage to the battery any higher than 146 volts. Checked the voltage at the battery while bike running it reads whatever the battery charge is.

To recharge the battery you can use jumper cables and a cars battery. If you jumped the battery to get the bike running and then drove that far Id say that the charging system is probably working. Harley Charging System Failures.

Avoid the dead battery blues with a new Harley-Davidson Dual-Mode Battery Charger. Its not new for a Harley Davidson bike to experience electrical problems. Check for continuity through the alternator windings check each diode in the rectifier stack and look for a voltage regulator which may be defective.