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W211 AMG Discuss the W211 AMG's such as the E55 and the E63

RPM Signal PU for logging

     
Old Jun 19, 2013 | 10:10 AM
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MindBend's Avatar
MindBend
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From: Central PA
'05 E55
RPM Signal PU for logging
I'm sure someone's been down this road, so I'm hoping for some specifics...

Want to pick-up an RPM signal for logging purposes. From the docs, "RPM Input. 0-5V, 0-12V square wave, tach signal, primary (low voltage) side of ignition coil, crank, cam sensor."

Anyone have specifics you're willing to share? I've been using OBDII, but it's just too darn slow.

Thanks.
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Old Jun 19, 2013 | 10:19 AM
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In the ecu box on the drivers side open it up there should be a pink/peach colored wire that will be your tach wire
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Old Jun 19, 2013 | 10:35 AM
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MindBend
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Hulk,
PERFECT info for what I needed. Thanks much!
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Old Jun 19, 2013 | 10:45 AM
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I think RPM is C3/Pin 2 iirc, but if you can I would pull from the cam sensor. It's supposed to be less spiky or so I've heard.

TPS is C3/Pin 21
Last edited by jmb614; Jun 19, 2013 at 11:02 AM.
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Old Jun 19, 2013 | 01:00 PM
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Here is what you are looking for. From this info you can do MAP, IAT, TPS, and RPM.





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Old Jun 19, 2013 | 01:08 PM
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These rock! Thanks...feeling the love here!
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Old Jun 19, 2013 | 01:38 PM
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Ali that looks familiar lol
Still have it from when you sent it to me
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Old Jun 19, 2013 | 02:12 PM
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adianaty
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Originally Posted by Hulk
Ali that looks familiar lol
Still have it from when you sent it to me
Hulk - If you can figure out where to get the other half of this sheet I can figure out out how to log your bypass valve ...
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Old Jun 19, 2013 | 02:18 PM
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Bla bla bla lol
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Old Mar 7, 2016 | 10:54 AM
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Mercedes CLS 63 2008 w219
Tachometer signal 5v fo nitrous window sitch
Originally Posted by Hulk
In the ecu box on the drivers side open it up there should be a pink/peach colored wire that will be your tach wire
Do you know which wire in a 2008 cls63 I can hook up to for a nitrous window switch and tach 5v. Will I need an adapter. Thanks.
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Old Mar 9, 2016 | 08:24 AM
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No, I think they changed the pin out on the NA cars.
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