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-   -   1985 M117 Jetronic wiring schematic (http://www.peachparts.com/shopforum/showthread.php?t=279725)

Mike D 06-21-2010 05:01 PM

1985 M117 Jetronic wiring schematic
 
Does anyone have a schematic for the pin-outs on the Jetronic control computer mounted inside the cab on a 1985 500SEL?

I'm looking for the O2 sensor wire pin.

Mike D 06-22-2010 02:41 AM

Never mind. Using my trusty multimeter I discovered either the O2 sensor doesn't run to either of the computers or the O2 wire I have is faulty.

mbdoc 06-22-2010 08:23 AM

The O2 sensor wires run to pins # 2 & 3 of the control unit.

Mike D 06-22-2010 08:57 AM

Thank you. That explains why pins 2 & 3 are jumpered at the connector.

I guess I'll recheck them with the multimeter.


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