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| Forum name | Engine Management Systems & Controllers |
| Topic subject | Trying to get tach to work. |
| Topic URL | http://forums.2gnt.com/dcboard.php?az=show_topic&forum=54&topic_id=4468 |
4468, Trying to get tach to work.
Posted by 1slw97, Dec-31-69 06:00 PM
I can't figure out how to get the stock tach to work.
I have the tach out wire from Megas... To the factory tach wire ( Solid white) wire. I also turned the tach out, in megatune on. any ideas?
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4469, RE: Trying to get tach to work.
Posted by Jungy, Dec-31-69 06:00 PM
I'm assuming you built the tach output circuit? Make sure you have the tach output configured right in megatune for how it is wired (ex: circuit connected to js3 on pcb 3.0, tach out js3 in megatune).
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4475, RE: Trying to get tach to work.
Posted by 1slw97, Dec-31-69 06:00 PM
Originally posted by Jungy
I'm assuming you built the tach output circuit? Make sure you have the tach output configured right in megatune for how it is wired (ex: circuit connected to js3 on pcb 3.0, tach out js3 in megatune).
I did not build the Tach output. This is a Symtech unit. It was set to js3 in Megatune.
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4476, RE: Trying to get tach to work.
Posted by VelocitaPaola, Dec-31-69 06:00 PM
Originally posted by 1slw97
I can't figure out how to get the stock tach to work. I have the tach out wire from Megas... To the factory tach wire ( Solid white) wire. I also turned the tach out, in megatune on. any ideas?
Is the white tach wire still connected to the stock ECU?
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4477, RE: Trying to get tach to work.
Posted by 1slw97, Dec-31-69 06:00 PM
No, stock ECU is gone.
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4478, RE: Trying to get tach to work.
Posted by VelocitaPaola, Dec-31-69 06:00 PM
Dash us off an email at support@symtechlabs.com so we can discuss the particulars of your order. The tachometer output wouldn't be installed on JS3 if your Megasquirt ECU uses a MS-II processor.
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4479, RE: Trying to get tach to work.
Posted by 1slw97, Dec-31-69 06:00 PM
Thanks, I now have a tach.
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4483, RE: Trying to get tach to work.
Posted by eclipse982nrRST, Dec-31-69 06:00 PM
Originally posted by 1slw97
Thanks, I now have a tach.
What was the problem?
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