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Post by rcq92130 on Feb 18, 2015 23:49:47 GMT -5
Sounds like you cut the +12vdc wire to the CDI, routed it thru the alarm and then back to the CDI .... so when the alarm is activated the power to the CDI is interrupted.
That would NOT be the correct input to the tach.
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Post by lain on Feb 19, 2015 0:12:22 GMT -5
Sounds like you cut the +12vdc wire to the CDI, routed it thru the alarm and then back to the CDI .... so when the alarm is activated the power to the CDI is interrupted. That would NOT be the correct input to the tach. No, I didn't... Like I said, the pickup wire, the wire that comes from the pickup coil in the stator, the little black box that picks up the rotations of the flywheel... |
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Post by JerryScript on Feb 19, 2015 1:34:28 GMT -5
Two suggestions for mounting: 1- Find a small piece of metal to make a bracket out of, drill a hole for the mirror to screw through, then screw the mirror down through it. You can customize the piece of metal to your needs with a dremel. 2- Use velcro tape and mount it anywhere you like, if you don't like it, remove the tape and remount elsewhere, clean up with whatever goo-gone type remover you like.
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Post by rcq92130 on Feb 19, 2015 1:38:26 GMT -5
Two suggestions for mounting: 1- Find a small piece of metal to make a bracket out of, drill a hole for the mirror to screw through, then screw the mirror down through it. You can customize the piece of metal to your needs with a dremel. 2- Use velcro tape and mount it anywhere you like, if you don't like it, remove the tape and remount elsewhere, clean up with whatever goo-gone type remover you like. The tach comes WITH a bracket, JS. All he has to do is find where to bolt it. Normally, if the handlebars are not covered, you just use one of the 4 handle bar clamp bolts. Otherwise, any other bolt will do - or drill a small hole in the plastic and bolt it to the plastic. The thing is light. |
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Post by rcq92130 on Feb 19, 2015 1:43:15 GMT -5
If that is the case, Lain ---
It means the pickup wire is being GROUNDED by the alarm once it is set (and so will not provide a pulse). That's actually not a very good way to wire up an alarm --- but that's another issue.
When you get the tach, try it on the wire. That is how i found the correct wire to pick up the ignitor signal. If it does not work, try other CDI wires. At least from my experience (with this exact same tach) it will not harm it to apply voltage or ground to the signal wire. So, shopping around for the correct pulse wire is not a bad thing to do. Just make sure you have the other connections done first so the tack is getting + voltage and ground.
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Post by lain on Feb 19, 2015 2:24:30 GMT -5
If that is the case, Lain --- It means the pickup wire is being GROUNDED by the alarm once it is set (and so will not provide a pulse). That's actually not a very good way to wire up an alarm --- but that's another issue. When you get the tach, try it on the wire. That is how i found the correct wire to pick up the ignitor signal. If it does not work, try other CDI wires. At least from my experience (with this exact same tach) it will not harm it to apply voltage or ground to the signal wire. So, shopping around for the correct pulse wire is not a bad thing to do. Just make sure you have the other connections done first so the tack is getting + voltage and ground. What gauge should the pulse wire be, or is it a special type of wire? |
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Post by rcq92130 on Feb 19, 2015 7:42:02 GMT -5
Nothing special. Carries very little current. 18 gauge fine. You will see when you get it.
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Post by rcq92130 on Feb 19, 2015 12:32:17 GMT -5
If that is the case, Lain --- It means the pickup wire is being GROUNDED by the alarm once it is set (and so will not provide a pulse). That's actually not a very good way to wire up an alarm --- but that's another issue. When you get the tach, try it on the wire. That is how i found the correct wire to pick up the ignitor signal. If it does not work, try other CDI wires. At least from my experience (with this exact same tach) it will not harm it to apply voltage or ground to the signal wire. So, shopping around for the correct pulse wire is not a bad thing to do. Just make sure you have the other connections done first so the tack is getting + voltage and ground. What gauge should the pulse wire be, or is it a special type of wire? Here you go   |
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Post by lain on Feb 24, 2015 12:18:34 GMT -5
So the tach finally arrived. There are 5 wires on this one, how do I hook this up? It has black, green, yellow, blue, and orange wires.
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Post by rcq92130 on Feb 24, 2015 12:35:35 GMT -5
One pair is power/ground. Another pair is light/ground. (I just twisted these 2 pair into a single pair). The blue is "sense" - goes to the stator-to-CDI pulse input.
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Post by lain on Feb 24, 2015 12:43:16 GMT -5
One pair is power/ground. Another pair is light/ground. (I just twisted these 2 pair into a single pair). The blue is "sense" - goes to the stator-to-CDI pulse input. The orange and blue both come out of a rubber cone looking thing on the bottom of the tach, and then the yellow, black, and green wires come out of a different hole that has no rubber. Where do I hook the power lines to? The battery? Sorry never messed with meters before really just have basic electrical knowledge. |
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Post by rcq92130 on Feb 24, 2015 12:48:39 GMT -5
Must have remembered the coloring wrong then.
The 2 out of the rubber cone are, no doubt, for the LED (one +, one ground)
The Y & Blk power to the unit.
The green "sense"
Try doing a search on EBay for these units - there are a few sellers who actually have a hookup explanation ---- the only part that is not explained being what to hook the "sense" wire up to (I had to find out by trying various connections till I got it right). The correct connection is the input to the CDI.
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Post by rcq92130 on Feb 24, 2015 12:52:38 GMT -5
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Post by rcq92130 on Feb 24, 2015 12:54:36 GMT -5
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Post by rcq92130 on Feb 24, 2015 13:08:58 GMT -5
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