Question about 2009 Harley Davidson FLSTC Heritage Softail Classic
I have a 2009 heritage classic I replaced the voltage regulator. Now the light on the speedometer turns off at a 100 km. I put a new battery in any idea what it could be @
If you're going through regulators that often I would suggest going after the stator. Make sure it's not grounding out on the chassis. Find the 3 yellow or white wires that are connected to the regulator. using a meter in OHMS ( looks like the horseshoe ) with the bike off check wire one (red ) to wire 2 ( black ) then wire one ( red ) to 3 (black ), then 2 (red ) to 1 ( black ) and 2 ( red ) to 3 ( black ) , then pick one ( red ) and black to the chassis, motor, ground. somewhere metal on the bike. The first series of tests you should get some sort of numbers, ( which should be somewhat close in numbers ) When you go to ground, Chassis you should get no numbers, OFL, OL, or the horseshoe sign if you get numbers there, the stator is bad and your transmitting ac voltage to the chassis.
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Posted on Aug 27, 2009
First, I'd try replacing the bulbs in both the front and rear turn signals. See what happens, that's pretty inexpensive to try.
The turn signals are controlled by the turn signal cancelling unit. You didn't mention if the problem was on just one side or if it was on both sides of the bike. I'd try to find someone that had a known good unit that would allow me to try it. The reason, they're expensive. The last one I installed cost nearly $150.
Posted on Nov 13, 2009
SOURCE: MY CHECK CHARGE SYSTEM LIGHT
The first question for you is, What is the charging output for the altenator at idle?? If less than 12.3 volts, replace altenator. Typically, the altenator gets tested at 2500-3000 rpm on a bench tester. Your problem may be in the low rpm output range.
Posted on Nov 28, 2009
it is part of the alternator actually on a lucas unit, a small black box bolted to the rear of the alternator.
You may have a faulty ignition switch or a corroded engine earth cable causing the alternator not to reach charging voltage.
Posted on Jan 13, 2010
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