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Author Topic: '75 Yamaha XS500 Cafe Project - Open Throttle  (Read 95859 times)

Offline SrgtBear

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Re: 1975 Yamaha XS500B Cafe Project (TX500) - 8/15 Electrical Stage
« Reply #80 on: Aug 16, 2010, 12:07:24 »
Here is some pictures of my gauge's back lighting issue.  There is only one power source from the main harness.  Then the power branches off to the various back lights.  All are 12volts in the wiring diagram.  I don't think changing the stem off the main source will differ since all the new back lights are LED.

Tach back light is washed out but not that bright in person.  Second picture is in pitch black.  Makes it look worse than it actually is.  It's still noticeable though.


« Last Edit: Aug 16, 2010, 15:44:27 by SrgtBear »
Ted

Kawasaki Kaiju (怪獣) - 79 KZ650 - 700cc Bore Cam Rocket - http://www.dotheton.com/forum/index.php?topic=39748.0
75 Yamaha XS500B Cafe - Completed - http://www.dotheton.com/forum/index.php?topic=14392.0
74 Honda XL 125 - Original - http://www.dotheton.com/forum/index.php?topic=25706.0

Offline Tim

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Re: 1975 Yamaha XS500B Cafe Project (TX500) - 8/15 Electrical Stage
« Reply #81 on: Aug 16, 2010, 12:10:09 »
Probably just different lights / translucency of the faces in the two gauges.  My gauge backlights burned out a while ago (not even running the tach light).  I don't miss them.  Hardly ever look at the gauges anyhow.
"Quality . . . you know what it is, yet you don't know what it is. But that's self-contradictory. But some things are better than others, that is, they have more quality. But when you try to say what the quality is, apart from the things that have it, it all goes poof! There's nothing to talk about. But if you can't say what Quality is, how do you know what it is, or how do you know that it even exists? If no one knows what it is, then for all practical purposes it doesn't exist at all. But for all practical purposes it really does exist."

Offline JRK5892

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Re: 1975 Yamaha XS500B Cafe Project (TX500) - 8/15 Electrical Stage
« Reply #82 on: Aug 16, 2010, 12:11:52 »
mine burnt out almost right away as well, replaced them and now they are good to go
Joe
"your life is an occasion, Stand up to it"
www.thepowderpro.com

recent builds: Hd street bob, TX cafe, KZ bratt, Goldwing tour, bratt wing, st fighter, road king, vriago bobber, chop, FXD, 1200 sporty, 1200xl sporty, GSXR, Royal enfield.. and more

Offline SrgtBear

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Re: 1975 Yamaha XS500B Cafe Project (TX500) - 8/15 Electrical Stage
« Reply #83 on: Aug 16, 2010, 12:12:46 »
Probably just different lights / translucency of the faces in the two gauges.  My gauge backlights burned out a while ago (not even running the tach light).  I don't miss them.  Hardly ever look at the gauges anyhow.

Yeah, I figured I couldn't do much.  I'll just live with them.  Not stressed about it.
Ted

Kawasaki Kaiju (怪獣) - 79 KZ650 - 700cc Bore Cam Rocket - http://www.dotheton.com/forum/index.php?topic=39748.0
75 Yamaha XS500B Cafe - Completed - http://www.dotheton.com/forum/index.php?topic=14392.0
74 Honda XL 125 - Original - http://www.dotheton.com/forum/index.php?topic=25706.0

Offline JRK5892

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Re: 1975 Yamaha XS500B Cafe Project (TX500) - 8/15 Electrical Stage
« Reply #84 on: Aug 16, 2010, 12:15:19 »
you can also add a resister on the power line, that would work to dim it down a bit
Joe
"your life is an occasion, Stand up to it"
www.thepowderpro.com

recent builds: Hd street bob, TX cafe, KZ bratt, Goldwing tour, bratt wing, st fighter, road king, vriago bobber, chop, FXD, 1200 sporty, 1200xl sporty, GSXR, Royal enfield.. and more

Offline Swagger

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Re: 1975 Yamaha XS500B Cafe Project (TX500) - 8/15 Electrical Stage
« Reply #85 on: Aug 16, 2010, 17:36:11 »
To work from Joe's idea, since you'd need to rewire for your resistor (a big fat one), why not convert them to LEDs? They'll draw far less current allowing your to add a couple $2 radioshack 0/5kohm potentiometers to adjust each gage's backlite to your best setting.
Just a thought....
.....there's no way that little rice cooker is going 100m/h when the work need to get up to those speeds includes a big fuck off fairing shaped like a giant cock. ~Staffy

Weiner tetanus is nothing to scoff at. ~JustinLonghorn

Offline SrgtBear

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Re: 1975 Yamaha XS500B Cafe Project (TX500) - 8/15 Electrical Stage
« Reply #86 on: Aug 16, 2010, 17:40:41 »
To work from Joe's idea, since you'd need to rewire for your resistor (a big fat one), why not convert them to LEDs? They'll draw far less current allowing your to add a couple $2 radioshack 0/5kohm potentiometers to adjust each gage's backlite to your best setting.
Just a thought....

I think they are already led back lights.  Plus I can't open the aftermarket gauges.
Ted

Kawasaki Kaiju (怪獣) - 79 KZ650 - 700cc Bore Cam Rocket - http://www.dotheton.com/forum/index.php?topic=39748.0
75 Yamaha XS500B Cafe - Completed - http://www.dotheton.com/forum/index.php?topic=14392.0
74 Honda XL 125 - Original - http://www.dotheton.com/forum/index.php?topic=25706.0

Offline Swagger

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Re: 1975 Yamaha XS500B Cafe Project (TX500) - 8/15 Electrical Stage
« Reply #87 on: Aug 16, 2010, 18:26:19 »
You have no access to the internal bulbs....at all? Sheesh, I guess I'll pass on them.....was looking at adding them to a quick turn bike....
.....there's no way that little rice cooker is going 100m/h when the work need to get up to those speeds includes a big fuck off fairing shaped like a giant cock. ~Staffy

Weiner tetanus is nothing to scoff at. ~JustinLonghorn

Offline JRK5892

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Re: 1975 Yamaha XS500B Cafe Project (TX500) - 8/15 Electrical Stage
« Reply #88 on: Aug 16, 2010, 18:29:17 »
how can you put togther something that does not come apart
Joe
"your life is an occasion, Stand up to it"
www.thepowderpro.com

recent builds: Hd street bob, TX cafe, KZ bratt, Goldwing tour, bratt wing, st fighter, road king, vriago bobber, chop, FXD, 1200 sporty, 1200xl sporty, GSXR, Royal enfield.. and more

Offline Swagger

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Re: 1975 Yamaha XS500B Cafe Project (TX500) - 8/15 Electrical Stage
« Reply #89 on: Aug 16, 2010, 18:32:47 »
I'd imagine there's a way, but perhaps not simply. It may be like CB gauges where you have to cut the outer trim ring to access the innards.
.....there's no way that little rice cooker is going 100m/h when the work need to get up to those speeds includes a big fuck off fairing shaped like a giant cock. ~Staffy

Weiner tetanus is nothing to scoff at. ~JustinLonghorn