Light diming


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fastturbo1
Posts: 1
Joined: Sun Aug 14, 2011 8:24 pm
Location: Orange Park
Motorcycle: 2003 goldwing 1800

Light diming

Postby fastturbo1 » Sun Aug 14, 2011 8:31 pm



When I appliy my brakes my lights seem to dim. I have a brand new battery, but hey still seem to dim I can tell at night more than during the day evenwhen I allow someone to ride my bikeand I see them in th rear view mirrow.

Fastturbo1



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landisr
Posts: 393
Joined: Tue Jul 28, 2009 12:18 pm
Location: Gilbert, AZ
Motorcycle: 1976 GL1000
1994 GL1500A

Re: Light diming

Postby landisr » Sat Aug 20, 2011 10:46 am

Sounds (looks?) like there is a heavy current load somewhere in the brake light circuit. Check all lights, connectors, etc for corrosion and/or short circuits, especially any stuff that has been added, or other modifications. Good luck, and let us know what you find out.

Ron in MI
Beam me up, Scotty. There's no intelligent life down here.

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Steve F
Posts: 384
Joined: Thu Apr 07, 2011 8:25 pm
Location: suburban Chicago
Motorcycle: 1976 Honda CB750F Cafe' (sold :>( )
'03 GL1800

Re: Light diming

Postby Steve F » Sat Aug 20, 2011 10:51 am

Don't forget you have something like 6 bulbs that come on all at once, and the current draw is quite significant. This is considered "normal".
I'm thinking about going with LED replacement bulbs when I get enough cash to convert over.
"To ride is the reason, the destination the excuse."

bandit
Posts: 18
Joined: Sun Jan 09, 2011 1:49 am
Location: South Africa
Motorcycle: 2008 BMW RT1200
2008 Honda GL1800
1988 Honda GL 1500

Re: Light diming

Postby bandit » Wed Aug 24, 2011 1:14 pm

Another thing you should look at is the earth on the bulbs. If not proper, it would seek an earth somewhere else. You sometimes notice it on cars and trailers where the earth wire on the plug is off and the electrical is looking for an earth through other bulbs in the circuit.

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detdrbuzzard
Posts: 919
Joined: Thu Oct 23, 2008 5:54 am
Location: 42.23/83.33/636
Motorcycle: '84 aspencade,'93se
'75750.'79750/9k
'79 750f.'85450sc
'06 st1300a

Re: Light diming

Postby detdrbuzzard » Thu Aug 25, 2011 6:50 am

most alternators (and stators ) don't start charging the battery until the rpm's come up. if the lights brighten when you rev it some its cahrging if the lights don't brighten you are not charging. how is your battery and check out this post viewtopic.php?f=6&t=8078


'99 ST1100, '93 se
'75 cb750k, '79 cb 750f, '79 cb750 superK
cb 450sc, sunL70
'06 st1300a
.... william


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