MartyLane
New Member
'81 XS650H Chico, California, USA
Posts: 21
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Post by MartyLane on Nov 17, 2004 10:58:41 GMT -5
Hey you guys: I got some of those mini replacement guages from Mikesxs, and am wondering what to do with the reed switch that is mounted in the old speedo. I haven't a clue what this switch does, or how it works, but I do notice that it is wired to the turn signals, which makes me think it controls the self cancelling of the turn signals. I'm thinking of just letting the reed switch dangle inside the headlight assembly. Would this be okay?
If any of you can explain how this reed switch works the turn signals, I'd be interested in knowing.
Thanks!
MartyLane
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OldBlue
Full Member
Senior Member at Large
Posts: 244
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Post by OldBlue on Nov 17, 2004 11:21:48 GMT -5
I'm sure someone can explain better, but I believe it is for the self-cancelling feature. It is used to count distance traveled and turn off signals after a certain distance. I assume if you don't hook it up, then the turn signals won't cancel. I can't see any other issues with it.
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MartyLane
New Member
'81 XS650H Chico, California, USA
Posts: 21
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Post by MartyLane on Nov 17, 2004 13:13:36 GMT -5
Hm... I've been poking around the internet, and have read that a magnet is required to make a reed switch work. I wonder if there is a magnet that goes round and round on the trip meter? The switch is located right under the trip meter, afterall. That would explain your distance traveled theory. If that is the case, then the reed switch isn't going to work anymore. Either that, or the turn signals might not work, depending on where I place the reed switch. Well, my old speedo is toast anyway, so might as well do some exploration...
MartyLane
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Post by Curly on Nov 17, 2004 21:23:10 GMT -5
The reed switch does work with the cancelling turn signals to tell the controller how far the bike has travelled since the signal was turned on. It works by opening and closing as the speedometer magnet spins inside the needle drive cup. Each time it does it sends a pulse to the cancelling unit. Without at least one pulse from the reed switch the system will think you are standing still like at a red light and keep on flashing. So that means your flashers are essentially just like manual ones now and you will have to push the cancell button in to turn them off. You can just leave the swich dangling and it won't hurt a thing.
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MartyLane
New Member
'81 XS650H Chico, California, USA
Posts: 21
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Post by MartyLane on Nov 18, 2004 10:42:14 GMT -5
Thanks for the explanation, Curly!
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