Athearn Trucks & Peco turnouts ?????

[jimlar19]

  PS-1 50' single door box car

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hello
i have a Athearn SD 45-2 that i am painting and i had the side frames on the trucks off and the wheels out of the trucks i read somewhere thet there is a neg and pos side to the wheels, does it matter polarity wise whitch way that i put the wheel asmly back in the trucks, there was no markings on the wheels they looked the same.

one more question sorry !!! i have a couple peco turnouts that are not insulated they are the Electrofrog type can i use these on a DCC layout without any short circut problems or do i have to do some special wiring, a lot of my cars have metal wheels thanks in advance

Thanks   jim 

[diburning]

No, you should be fine.  The way athearn engines pick up power is with a square peg on the axle that touches a plate with a hook on it.  A clip touches the hook to pick up power.