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Re: Engine ECM wont communicate with Vectronics Mastertech scanr
Posted to Technical Discussion Forum on 10/26/2009

Rick Here.

The light just came on- ALL the ECUs comminicate with the DLC via the same wire. Instead of rooting out the ECUs to unplug I need to locate that junction connector that feeds pin 7 of the DLC - Than start pulling connections until I get rid of tha... Login to read more.