Thanks all, for the quick response. I have many questions please bear with me. I checked the wiring for continuity from pickups in the engine to boiler board & thru the harness to tender board,hot & ground. Especially ground. I see no pinched wires, loose plugs. Questions on the test unit. When golden boards are mentioned. Do they mean a known or new good board ? Does the engine being tested have to be loaded in my DCS unit.? Lastly I have the harness's for the tender P150 &151 But I don't have a P154 Tdr SW jumper to be installed at P77 on the tender board is that one needed ? I do have 1 new tender board but hesitate to install it don't want to see magic smoke.
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