sd60 light bulbs

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    help - light bulbs on Proto 2000 SD60

    Hello everybody, This is my first post. I got back to this hobby one month ago after 30 years. I built a ho layout with code 83 flex-track and a series of turb outs, then I bought the first locomotives, an Athearn RS3 (which made a terrible sudden grinding sound and I sent it to Athearn last...