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WVMSFKRS
Mad Brick Rider
Joined: 24 Nov 2007
Posts: 122
Location: Fairmont, WV
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 Posted: Wed Mar 04, 2009 11:14 pm Post subject: Charging Voltage |
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Put multimeter on battery 12.46VDC, started bike 11.81VDC, revved engine voltage did NOT change. When I put the bike back together after the spline lube did I forget something or break something or am I just that lucky?
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Scott_Anderson
Site Admin
Joined: 05 Sep 2006
Posts: 3127
Location: Central Iowa, USA
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| Posted: Wed Mar 04, 2009 11:29 pm Post subject: |
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Not to say what you probably already thought, but it sounds like you missed something at the alternator, or not tight, or dirty connection.
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Ride safe.
1997 K1100LT 0302488
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
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"One who does not ask questions is ashamed to learn" Danish proverb
1995 K1100LT 0302044(R.I.P.)
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Jim
Site Admin
Joined: 17 May 2003
Posts: 3841
Location: WHERETHEFUNNEVERENDS
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| Posted: Thu Mar 05, 2009 1:01 am Post subject: voltage |
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Mike - when you rev it up, if everything is working right, you should be seeing about 13.5 - 14.1.
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Jim
1997 K1100LTSE 94,000 - still has gremlins!
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1992 K75RTP 46,000
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RobWheatley
Flying Brick Rider
Joined: 06 Jun 2008
Posts: 261
Location: Chatham, Kent. UK
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| Posted: Thu Mar 05, 2009 3:59 pm Post subject: |
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Hi
Does the charge light come on with the ignition and does it go out when it starts, alternators have to have 12 volts going into them via the warning light circuit to excite the coils before they will generate power, if when you did the spline lube (assuming you do mean clutch splines) you removed the alternator the smaller of the 2 wires might have been damaged or not connected correctly.
If the warning light doesn't come on then that is the problem. If you can get to it with just the ignition on put a volt meter on the smaller of the 2 terminals and to earth and check you have FULL battery voltage there and then on to the bigger terminal, same thing, FULL battery voltage there, if there is then you might have been unlucky and had the brushes wearing on the alternator and removing it had finished the job.
Do be careful probing around with a volt meter, if you short the terminal it will give a very nice juicy spark and could fry the alternator anyway.
Hope it helps
Rob
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Scott_Anderson
Site Admin
Joined: 05 Sep 2006
Posts: 3127
Location: Central Iowa, USA
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| Posted: Tue Mar 24, 2009 7:33 pm Post subject: Re: Charging Voltage |
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| WVMSFKRS wrote: | | Put multimeter on battery 12.46VDC, started bike 11.81VDC, revved engine voltage did NOT change. |
How'd you end up with this problem.
I just was experiencing a similar problem on my '95, was not charging enough. Though the dash charge light didn't indicate a problem.
I removed the alternator and dressed the slip rings, brushes, and the brush power contact point.
Now it appears to be working fine. Might explain why the old battery (june last year) was seeming to be week. 
_________________
Ride safe.
1997 K1100LT 0302488
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1995 K1100LT 0302044(R.I.P.)
1997 R1100RT ZC62149(sold) |
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