Reply to "MTH Restoration Big Boy Issue or not?"

harmonyardsOGR Forum Member SUPPORTING MEMBER

@rplst8 posted:
If there's already an axle wiper, what does grounding it to the frame do? There's no guarantee that there is good electrical conductivity between the frame and the wheels, is there?

Yeah,….it does ….the wheels that have the wiper are isolated for the 3/2 option,….all later Premier are built that way,….all older 3 rail engines rely on the axle completing the circuit through the frame ….so add a frame ground on 3/2 optioned engines, you pick up the rest of the wheels for ground ( outside rails)

Pat

6/10/2212:16 PM

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