Wire Differences May 05, 2008, 05:15:53 PM I am trying to drop a 1987 tbird 5.0 into a 1988 v6 car. Anyone know where in the EVTM I cna find out what wires do what in the harnesses? I have both books but can't find where in the diagram the plugs which connect the computer harness to the "under the dash" harness are.John Quote Selected