Where does the tachometer get its signal from?
#1
Senior Member
Thread Starter
Where does the tachometer get its signal from?
I am trying to make some RPM activated switches, but I need to know where to get my signal from.
Some info on what the signal will look like would be helpful as well.
Thanks,
Jason
Some info on what the signal will look like would be helpful as well.
Thanks,
Jason
#4
Former Moderator. RIP Icemark.
Ted is right, all electronics (like cruise, gauges, power steering, etc) requiring a tach signal in the FC get the tach signal from the trailing coil pack
#5
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My tach starting not working properly, so I took it down to the mechanic, he said that it was the leading coil. there are actually two leading coils and an ignitor. each leading coil is $125, and the ignitor is $500 OEM. you can also buy it in a package... not sure on the cost.
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#10
HAILERS
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stock7....ditch your mechanic. He's taking you for a buggy ride. See http://www.teamfc3s.org/info/articles/demystifying.html and or the schematic https://www.rx7club.com/forum/attach...postid=1398836
#13
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Originally posted by stock7
My tach starting not working properly, so I took it down to the mechanic, he said that it was the leading coil. there are actually two leading coils and an ignitor.
My tach starting not working properly, so I took it down to the mechanic, he said that it was the leading coil. there are actually two leading coils and an ignitor.
#14
Lives on the Forum
Originally posted by eyeoutthere
Cool.
Howmany Pulses per revolution? 3? 6?
Cool.
Howmany Pulses per revolution? 3? 6?
Revolution of the rotor?  1/3rd.
It fires like a 4-cylinder, I believe, so it's one pulse per 1 RPM.
-Ted
#15
Senior Member
Thread Starter
Originally posted by RETed
Revolution of the e-shaft?  One.
Revolution of the rotor?  1/3rd.
It fires like a 4-cylinder, I believe, so it's one pulse per 1 RPM.
Revolution of the e-shaft?  One.
Revolution of the rotor?  1/3rd.
It fires like a 4-cylinder, I believe, so it's one pulse per 1 RPM.
How many times does any one spark plug fire per revolution of the e-shaft?
Once right?