VSS/mile reading for 1995 E320 W124 - Mercedes-Benz Forum

 
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post #1 of 2 (permalink) Old 01-17-2009, 11:02 PM Thread Starter
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VSS/mile reading for 1995 E320 W124

I am ready to install a MPGuino unit see MPGuino - EcoModder. One of the requirements is to input the VSS/mile into the MPGuino. I also need to know where to connect into the VSS and also into one of the injectors to get a pulse signal. I need to know which wire has the 0 voltage. Or, is there an output connector with all these signals available (my car has a 16pin connector above the battery can this be used?). Also how do I get form the engine bay through the firewall into the cabin with the cable to connect the MPGuino unit. I believe the injectors for this car are Bosch 0 280 155 209 units with 197.6cc/min is this correct?

Last edited by Trmoore; 01-17-2009 at 11:08 PM.
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post #2 of 2 (permalink) Old 08-13-2012, 08:22 PM
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Signal spot for Mpguino in Mercedes pre-1996

Dear Forum members,

Finally I have an idea to solve the problem of getting signals for feed the input mpguino needs.

We know VSS is a signal present in our cars, from 1986 to 1995. But we do not have injection signals. Injection is governed mechanically.

However, side by side with injection the engine needs ignition, which is provided by an electronic system that sends pulses to excite the coil. This pulses can be used ( I think ) as input for Mpguino.

Any comments, suggestions, critics?

The perfect place to get this pulse signals is on the diagnostic socket X11 in the engine compartment.

VSS signal can be spot on the dashboard. Any easier place?

Best regards,

OldBeaver
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