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  #1  
Old 07-07-2011, 11:45 AM
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Not Enough Voltage

When I got this bike two weeks ago it came with a rigged ON switch to get the light going because the alternator could not turn it on. Went thru field coil and stator and they are working. Cleaned the ground wires, wired the stator wires direct with butt connectors and cleaned up all connections under fuse box (waiting for my new fusebox to arrive) and voltage regulators connectors and now the light comes on on its own and at 4,000 rpm I can pull 13.7 volts but although I saw 14.5 volts one time a week ago I've never been back there. Got a used voltage regulator on the way and hoping this cures all. Is it normal for these regulators to act in this fashion...kind of a slow death. I hate electrical issues.
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Last edited by neJeff; 07-07-2011 at 11:47 AM.
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  #2  
Old 07-07-2011, 12:03 PM
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Did you test like this?

http://www.xs11.com/forum/showthread.php?t=67

Does the regulator get real hot while the bike is running?
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Old 07-07-2011, 12:08 PM
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Have not done all of it but the case is magnetized and the tach works fine. Have not had bike running with access to the regulator
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Old 07-07-2011, 02:09 PM
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natemoen natemoen is offline
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Quote:
Originally Posted by dpotter58 View Post
Did you test like this?

http://www.xs11.com/forum/showthread.php?t=67

Does the regulator get real hot while the bike is running?
My reg/rec works and tests fine, burned the s**t out of my arm once when I payed my arm on it!
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Old 07-07-2011, 08:01 PM
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With no gas tank it might be hard to keep it running. It's back to its old tricks, light won't turn on by itself and after 30 minute trip battery is dead!
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Old 07-07-2011, 08:20 PM
CaptonZap CaptonZap is offline
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Sounds like you have an "almost short" in the wiring. Something not bad enough to blow a fuse, but something drawing a lot of amps.
Find the fuses, main and auxillary, pull the wire from the battery to the start solenoid, put amp meter between the wire and the terminal and see what it reads with the key off. If you don't have an amp meter, use a 12 volt lamp, like a brake or park light.
Charge the battery. Turn on the key. does the lamp light, or the amp meter read a value? Take out the main fuse. Did the light go out? Put the fuse back in, and pull one of the other fuses. Did that change the reading or the brightness of the lamp? Leave that fuse out and go to the next fuse. Go to next one, and the next. At some point, the lamp should go out. If it doesn't, start looking for a chafed point in the harness.
Let us know what you find. CZ
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Old 07-08-2011, 02:23 AM
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Ok, will do this today. Thanks and I will report back
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Old 07-08-2011, 08:17 AM
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Quote:
Originally Posted by neJeff View Post
With no gas tank it might be hard to keep it running. It's back to its old tricks, light won't turn on by itself and after 30 minute trip battery is dead!
Is this with the new reg/rec?
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  #9  
Old 07-08-2011, 08:29 AM
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No, this is still with the old one. Got one coming (used one) but still is not here. I am hoping it's JUST the regulator/rectifier and nothing else. Will be doing the tests soon...
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Old 07-11-2011, 07:16 PM
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Found nothing goofy to report with the wiring...regulator ship tomorrow
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Old 07-13-2011, 04:52 AM
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Still haven't got the regulator in yet but now everything seems to be working fine. Putting out 14+ on the volts at highway speeds and lights coming on fine on its own.
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  #12  
Old 07-15-2011, 12:07 PM
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Board member Geezer has a real nice upgraded unit-cant go wrong with that!
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  #13  
Old 07-15-2011, 05:59 PM
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I had the same grief. I ended up replacing the wiring harness because it was faulty. Don't be alarmed, I'm not saying that is your problem. Did you do a load test on your battery? I find that the batteries don't die fast, but they do tend to create these problems without any warning when they start to get old.

Good luck,
Wayne
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Old 07-15-2011, 06:52 PM
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Replacing the wiring harness seems a bit excessive.I bought 2 harnesses about 2 years ago that they swore were for a 80 SG -they were not and not returnable.I have the stock regulator laying around-just decided to upgrade to a better one.If you need it -let me know as it is collecting dust.And replacing the wiring harness is a pain in the --s besides.
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1980 XS1100 SG
Inline fuel filters
New wires in old coils-outer spark plugs
160 mph speedometer mod
Kerker Exhaust
xschop K & N air filter setup
Dynojet Recalibration kit
1999 Kawasaki ZRX1100
1997 Jeep Cherokee 4.5"lift installed
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  #15  
Old 07-15-2011, 08:36 PM
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Well apparently my cleaning and recleaning of the connectors worked magic because I'm six days in with full charging and no problems. Don't know what exactly did the trick but so far so good.
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