Question about 2005 Harley Davidson FLHR - FLHRI Road King

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Put a new battery in a 2005 Road king and it is draining the amps and killing the battery. the voltage regulator is good and the starter is good and the battery is brand new.

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Is it draining the battery when parked up or riding with the lights on? If it is with the lights on and riding, check the altenator if when parked up check if there is a wiring problem or a faulty alarm if fitted.

Posted on Mar 28, 2011

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Battery won't charge and pto kills engine?


next I would try the stator underneath the fly wheel( the little copper coil wrapped plastic piece), then put the tester on the battery and see if it charges then

May 07, 2015 | Garden

1 Answer

HOW DO I TEST MY 97 ROAD KING VOLTAGE REGULATOR? I CHANGED THE REGULATOR BEFORE I DISCOVERED THE BAD STATOR. IT DOESN'T CHARGE. DID I KILL THE NEW REGULATOR?


To test your regulator, first charge your battery to full charge. You'll need a DVOM (digital volt ohm meter). Connect the DVOM "across" the battery by connecting the red meter lead to the positive post of the battery and the black meter lead to the negative post of the battery. Put the meter's function selector switch in DC VOLTS, 50 VOLT RANGE. Start the engine and bring it to a high idle. After about a minute or so, you're meter should read between 14.5 and 15.0 volts. If not, proceed to the next step.

If you are not getting the correct voltage to keep your battery charged, you need to check the output of the stator. Look on the front of the engine near the end of the oil filter and you'll see the plug from your voltage regulator plugged up there. Unplug the plug and look down into the engine side of the plug and you'll see two metal contacts. This is where we are going to test the output of you alternator. First, put your meter's function switch to AC VOLTAGE, 50 VOLT RANGE. Notice that we are testing for AC voltage as opposed to DC like we did last in the last test. This means it doesn't make any difference which meter lead goes to which contacts. Start the engine and put one of the meter's probes on each of the metal contacts. Make sure you do not touch the meter probe to each other or to the engine case. Bring the engine to a high idle and your meter should read at least 30 volts AC voltage.

If you do not have the 30 volts AC at the engine, your stator is bad. If you do have at least thirty volts at the alternator but less than 13.0 volts at the battery, your regulator is bad. Make sure your regulator is properly grounded where it bolts to the frame. I usually put one of those "star lockwashers" between the regulator and the frame on both bolts to make sure I've got a good ground. If the regulator is not grounded properly, it won't work.

Good Luck
Steve

Mar 03, 2011 | Harley Davidson FLHR-FLHRI Road king...

1 Answer

How to install the battery on a 2005 HD Road King Custom. Where is it? How to get to it?


Since I've never installed a battery in this year model road king, I would suggest this. Find the battery cable that connects to the starter. Follow the battery cable and see where it goes. If it goes up, take the seat off. If it goes down, take the side covers off.

Good Luck
steve

Jan 12, 2011 | 2005 Harley Davidson FLHRS - FLHRSI Road...

1 Answer

On my 94 jeep im having an electrical problem, something is killing my battery and i checked the alternator and my starter and i can not find the solution something is killing my battery rapidly please...


START THE VEHICLE, PUT A VOLTMETER ON THE BATTERY. THE VOLTAGE SHOULD READ 13.90 TO 14.80. IF THAT IS OK, THERE MAY BE A BATTERY DRAIN. TURN OFF EVERY SWITCH IN THE CAR.CLOSE ALL THE DOORS. MAKE SURE ALL THE COURTESY LIGHTS ARE GOING OUT. & THE GLOVE COMPARTMENT LIGHT. RAISE THE HOOD. DISABLE ANY UNDER HOOD LIGHTS. DISCONNECT THE NEG. CABLE FROM THE BATTERY. PUT A 12 VOLT TEST LIGHT, ONE END ON THE NEG BATTERY POST & THE OTHER END ON A GOOD GROUND { METAL }. IF THE LIGHT COMES ON THERE IS A BATTERY DRAIN. NO LIGHT , NO DRAIN. IF IT'S ON, ONE AT A TIME PULL THE FUSES OUT OF THE POWER DISTRIBUTION BOX. IF THE LIGHT STAYS LIT, PUT THE FUSE BACK. DO THIS WITH ALL THE FUSES BIG & SMALL. IF THE LIGHT STAYS LIT, DISCONNECT THE ALTERNATOR. THEY CAN CHARGE THE BATTERY WHILE RUNNING, & DRAIN WHEN STOPPED.

Jan 11, 2011 | 1994 Jeep Grand Cherokee

1 Answer

Just got new battery from Autozone 10/28/2010. One week later car turned itself off while driving. Not alternator. Not starter. And now battery is drained so we bought battery charger from autozone today...


The fact that your battery is drained makes me think you may have a short somewhere (where could be anyone's guess) This would put a constant drain on the battery. Have you checked your Voltage regulator or fuse? It's possible if the voltage regulator went bad that it could have blown a fuse causing your vehicle to shut off. -I had a lead wire come loose from the battery in a Van I owned. -while driving. The whole car went dead. -On the side of the road scratching my head looking at the engine. Ended up noticing some frayed wire... Got my wire strippers, trimmed it, re-attached and POOF! On my way again like new in 15 minutes. Have you installed any accessories recently that could have accidentally caused this?

Nov 13, 2010 | 2004 Toyota RAV4

1 Answer

Vintage harley cutout relays keep frying and headlight keeps blowing out thinking my 32 e gen has too much output but I have it dialed all the way down. maby i need a whole bunch of lights to burn up all...


Your voltage regulator is not working properly. You may have to convert to a more modern style regulator. Get a voltmeter and measure voltage at the battery with bike off, should be 12 to 12 1/2 volts. Then measure voltage with bike at idle and then at high RPM, should never go over 14 and 1/2 volts. Also bad connections, dirty, rusty, loose etc will cause the gen to work harder and put out high amps. Make sure you have good clean connectors at the battery posts also. GOOD LUCK.




 

Jul 03, 2009 | 2008 Harley Davidson FLHRC Road King...

1 Answer

1995 buick draining battery


take it in to an accredited auto electrician and have the voltage regulator checked
batteries die from under charge or overcharge and that is the job of the regulator to keep the voltage at 14.5-14.8 volts DC

Jul 23, 2017 | 1995 Buick Park Avenue

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