Lancia/FIat tach signal
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Read the manual to see if your question is answered there before posting. Many users will not reply if the answer is already available in the manual.
If your question is about troubleshooting, configuration, or tuning, you MUST include your processor type (MS-I or MS-II) and code version in your post. If your question is about PCB assembly or modifications, you must also include the main board version number (1.01, 2.2 or 3.0). For tuning/troubleshooting questions, please attached a datalog and your MSQ file to your post.
If you have questions about MS1/Extra or MS2/Extra code configuration or tuning, please post them at www.msextra.com Such questions posted here will be moved to: a temporary MSextra sub-forum, where they will be removed after 7 days
The full forum rules are here: Forum Rules, be sure to read them all regularly.
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kingwrench
- MegaSquirt Newbie
- Posts: 2
- Joined: Wed Oct 28, 2009 5:06 pm
Lancia/FIat tach signal
Building M/SII system v3.0 for a 76 Lancia Scorpion. using EDIS ignition sysem. My question is how to obtain the proper tach output signal for the vehicle from the M/S ecu . I cant find any info if the Lancia used the neg or pos side of the coil to drive the tach? And the proper hookup for the tach for my application. Much appericiated Lance
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FixItAgainTony
- Helpful Squirter
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- Joined: Thu Feb 03, 2005 1:09 pm
Re: Lancia/FIat tach signal
Lance -
The tach pick-up is from the negative side of the coil for my '79 twin cam (carburated, now fuel injected). The Lancia is most likely the same.
The diode trick described at the end of the EDIS page should work, but I have not done it with mine yet.
http://www.megamanual.com/ms2/EDIS.htm
This link might also be helpful:
viewtopic.php?f=38&t=30244&hilit=tach+relay
- Charles.
The tach pick-up is from the negative side of the coil for my '79 twin cam (carburated, now fuel injected). The Lancia is most likely the same.
The diode trick described at the end of the EDIS page should work, but I have not done it with mine yet.
http://www.megamanual.com/ms2/EDIS.htm
This link might also be helpful:
viewtopic.php?f=38&t=30244&hilit=tach+relay
- Charles.
Fiat - A great car for those who like to walk.
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kingwrench
- MegaSquirt Newbie
- Posts: 2
- Joined: Wed Oct 28, 2009 5:06 pm
Re: Lancia/FIat tach signal
Charles thanks a bunch, will check it out Lance