Hello all,

Last week I took out an 1987 om603 (body in collision) and put it into a 1994 E320. I switched a lot of the wiring and vacuum lines over with the 603 along with the instrument cluster.

I am having problems locating a wiring diagram for the temperature gauge and tachometer. I swapped over the ecu with the 603, but can't figure out which wires I need to connect to get the tach and temp guage to work. The engine, ecu, and instrument cluster all came out of the 87' so I am hoping I can make both gauges work like stock. Any advice on how to make these work or a wiring diagram would be greatly appreciated.

Thank for the help in advance,
Craig