I need a Tach signal
So to fill you guys in i followed Scots how to install Cop's and used some from a Millenia wich Patsmx5 provided. Got it all installed and fired it up. But since none of my coils have tach outputs like the toyota coils my in dash tach does not work for me. MS still works just fine though. So where can i splice into a tach signal for my dash? Plz I dont wanna have to have MS hooked up to read my rpms.
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You will have to build the tach output circuit for the MS and connect it to your dash tach to get it to work right. You can find it here.
http://www.msextra.com/manuals/MS_Ex...l.htm#tachoout |
oh, see you lacked to tell me that Richard...there's a difference between "my tach doesnt work after cops" and "my cops don't have a tach output."
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:rofl: sorry Scot i thought i made that clear in my messages, at least the second one. I gues i am getting rusty i havent been postwhoring at all for a month or more now.
Do you guys think that mayhaps i can piggy of my trigger signal or something similiar? Or maybe i can share the signal that my Ms uses for rpm it still reads fine? |
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Does the MS-I not put out tach signals? I built a similar circuit, but just drove it off an MS-II generated tach signal, instead of the two pins on the MS and the diodes and all that.
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Yes, the MS-I gives you a tach output. CJ posted the hardware link, here's the software config:
http://img33.picoodle.com/img/img33/...om_9c85d1a.gif |
dammit that sucks. i was hoping i could do it easily
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Well, the circuit that patsmx5 posted looks pretty easy to me, and should work just as well.
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Originally Posted by Joe Perez
(Post 245908)
Well, the circuit that patsmx5 posted looks pretty easy to me, and should work just as well.
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Uh guys what is a BD37? my MS1 was wired into the stock ecu board by Adbradley he didn't use a boomslang he modded and jumpered the baord internally. Pat if you can make it and explain how to implement it then i will use it and let you know if it works. There has to be a simpler way than all that shit to do this though geez. If it comes down to it i just wont run a dash tach this is getting rediculous all i wanted was more spark.
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Originally Posted by magnamx-5
(Post 246194)
Uh guys what is a BD37? my MS1 was wired into the stock ecu board by Adbradley he didn't use a boomslang he modded and jumpered the baord internally. Pat if you can make it and explain how to implement it then i will use it and let you know if it works. There has to be a simpler way than all that shit to do this though geez. If it comes down to it i just wont run a dash tach this is getting rediculous all i wanted was more spark.
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I can do that Pat. Pm me a price and ETA plz and i will get back to you. Your diagram helped me alot in the install btw it runs very nicely with the cops, esp after i got the fuel back right :bigtu:
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Er, it should be the LEDs, no? Aren't those spark outs? Just grab the signal there.
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:bowdown::bigtu:Fuck yeah Pat that is
awesome Shoot me a ETA plz i like it. Hopefully i can get it and the ebc on real soon :firedevil Then i hope to hit up the local dyno and see what a 1.6 can do with proper ignition |
Pat you are a genius it works perfectly
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Originally Posted by magnamx-5
(Post 250025)
Pat you are a genius it works perfectly
Cool, glad it's working for you. I'll probably be doing the same thing for COPs soon. Well, everybody it's official, Millenia COPs and that circuit I posted above works. The COPs came off a SC'd millenia that ran 14 PSI stock, so they should be pretty hot coils. All year supercharged millenia coils will work (95-02). Note the 2.3 millenia was the SC'd version with COPs. The 2.5 NA motor does not have these COPs, it has a distributor. Also, the 95 coils had 4 wires, not 3. From a millenia forum: The extra 4th pin on the older coil was not used in 96 and later. Is called an ignition confirmation signal in the service highlights but no other description as to purpose. For Reference, you'll need: 4 Millenia COPs with connectors: http://i231.photobucket.com/albums/e...ys/barrys1.jpg The tach output circuit: http://i231.photobucket.com/albums/e...ichardspic.jpg Here's the pin out of the coils: http://i231.photobucket.com/albums/e...ram2-17-08.jpg That should do it. Just follow Braineack's writeup on how to wire everything and use the pin out for the coils above and add the tach circuit. |
Remember, you don't have to build that circuit outside of the MS either. You can build the tach circuit inside the ms and just run an extra wire out of the DB37 for it.
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pat, now send one to jason so he can scope them and let us know if they are better/worse than the toyota cops.
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