Question about 2007 Harley Davidson FLTR Road Glide
Posted by Anonymous on
Hi Anonymous, perform the following tests:
1. Fill acid type batteries to proper levels.
2. Charge battery overnight at 1-2 amps you need 12.5 volts or better after charging.
3. Hook up battery positive cable, then with your multimeter on the milliamp scale connect one lead to the negative battery post and the other lead to the ground cable. Meter should read 3 milliamps or less, 10 milliamps with a radio, 15 milliamps with radio and CB. If your meter reads higher you need to isolate the circuit by pulling fuses and circuit breakers one at a time and observe meter for drop in aprerage then get out your test light and track down the short in that circuit.
3. Make sure all connections are clean and tight especially the negative cable at both ends.
4. Hook up volt meter to battery and start engine, if meter falls below 9.5 v while cranking replace battery.
5. With engine running at 3600 RPM battery should read 14.3-14.7 volts if not continue tests.
6. Unplug voltage regulator from alternator at crankcase by front of primary cover.
7. To test voltage regulator go to: https://www.youtube.com/watch?v=F8EjV0IjW9Q
8. With ohm meter, one lead grounded, touch alternator pin meter should read infinity, if not replace stator.
9. With ohm meter, both leads touching alternator pins meter should read 0.1 to 0.2 ohms on 1989 and later models. 0.2 to 0.4 ohms 1988 and earlier models, if not replace stator.
10. With volt meter set on AC scale, both leads touching alternator pins meter should read
16 to 20 volts AC for every 1000 RPM'S 1989 and later and 19 to 26 volts AC for every 1000 RPMS. If not replace rotor.
17. For a free wiring diagram please visit the website below and good luck.
Harley Davidson Wiring Diagrams and Schematics
Posted on Jun 14, 2015
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Posted on Jan 02, 2017
too many variables !
Firstly check battery under load ! any battery place or auto electrician can so it usually free!
do this before replacing any thing else!
make sure all connections are clean & tight
if battery is ok get them to check the charge rate on bike! its a simple test or you can do it with a volt meter they are only cheap to buy!
Posted on Jul 18, 2009
heck all connections especially the one thru the motor to the regulator-check battery to make sure levels are good and have it load tested
Posted on Sep 05, 2009
you have caused a wireing fult thats all, it likely to be a bad earth on the bars or you may have blown a fuse by shorting some thing out when you were doing the work start checking the wireing out with a meeter start from the regulator you should have volts from there back to the battery check for a main fuse as well
Posted on Jan 21, 2010
SOURCE: HOW DO I TEST MY
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.
Posted on Mar 03, 2011
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