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Tscu rebuilding
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Dale...soon as you get it all figured out let me know...I will pay you to build me a better one..LOLMY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550
NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.
I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.
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Matchless
Dale,
I noticed that the later model schematic has very poor wire colours and I will try and redraw it with clearer colours and replace it.
Chuck,
The newer TSCU is unfortunately married to the later handlebar direction switch. You will have to replace them as a pair if you want to upgrade
I have a schematic drawn up for the newer type, but it has some component values missing and has not been cross checked yet.Last edited by Guest; 08-04-2011, 03:29 PM.
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Forum LongTimerBard Award Winner
GSResource Superstar
Past Site Supporter- Jul 2005
- 15152
- Marysville, Michigan
Originally posted by Matchless View PostDale,
I noticed that the later model schematic has very poor wire colours and I will try and redraw it with clearer colours and replace it.
now I'm looking up a suitable relay with momentary latch and unlatch coils. I had one looked up some time ago, but somehow I lost the bookmark.
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Matchless
Originally posted by rustybronco View PostAndre, it's not necessary for you to do that on my account. I already traced the copies I brought to work during my lunch hour.
now I'm looking up a suitable relay with momentary latch and unlatch coils. I had one looked up some time ago, but somehow I lost the bookmark.
I looked for latching relays a while back and they were very expensive out our way and very little to choose from.
I have also used a SCR to latch a relay, but needed to manually interupt the circuit with another relay or switch to release it. The old VW Beetles had a headlight relay that flip-flopped for high and low.
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Forum LongTimerBard Award Winner
GSResource Superstar
Past Site Supporter- Jul 2005
- 15152
- Marysville, Michigan
Originally posted by Matchless View PostI have also used a SCR to latch a relay, but needed to manually interupt the circuit with another relay or switch to release it. The old VW Beetles had a headlight relay that flip-flopped for high and low.
no big issue as we can always use regular relays to do the same thing. you just need to use more of them, and more equals space.Last edited by rustybronco; 08-04-2011, 04:32 PM.
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Originally posted by Matchless View PostDale,
I noticed that the later model schematic has very poor wire colours and I will try and redraw it with clearer colours and replace it.
Chuck,
The newer TSCU is unfortunately married to the later handlebar direction switch. You will have to replace them as a pair if you want to upgrade
I have a schematic drawn up for the newer type, but it has some component values missing and has not been cross checked yet.sigpic
Steve
"The world is a book, and those who do not travel read only one page." :cool:
_________________
'79 GS1000EN
'82 GS1100EZ
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bakalorz
Originally posted by Matchless View PostDale,
Chuck,
The newer TSCU is unfortunately married to the later handlebar direction switch. You will have to replace them as a pair if you want to upgrade
I have a schematic drawn up for the newer type, but it has some component values missing and has not been cross checked yet.
The big holdup for me is that I need to get one of the proper left handlebar switches.
I currently can turn my headlight off and would really not like to lose that functionality.
So my question is what GS years and models have a left hand switch that works with a TSCU and also has a headlight on/off switch. (not just hi/low beam, but actual on/off too)
(and, since it apparently matters, which TSCU do they use, the old or the new style)
After that, I guess its time to haunt E-bay ...
After I design and build it, I will release info on it if anyone else wants to build their own.
(If there would be enough demand, I'd make em to sell for $50 or $60 too)
P.S. ... I will guess that if your bike didn't come with a TSCU there is no reed switch ... what do you think of the idea of linking to the brake light instead ... so if the signal normally cancels after say 5 seconds, it won't start timing that five seconds until the brakes are released ...
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Matchless
Martin, my 1980 has the light switch on the right handlebar controls as they were standard for our country at the time.
How about one TSCU that will replace either type?
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Forum LongTimerBard Award Winner
GSResource Superstar
Past Site Supporter- Jul 2005
- 15152
- Marysville, Michigan
Martin, Martin (wallowgreen) has already built one of the first generation TSCU's. it might pay to PM him any questions/thoughts/issues you might have before you start back into designing your own.
for second part of your question, as far as I know the 78-79 GS1000E's, the 79 GS850G's and the 79 L models used the same switch.
and lastly, personally I wouldn't use the release of the brake light for the start point of a count down timer. at a stop, when some is approaching from behind, I like to modulate the brake light.
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