Reply to "MTH 30-9040 Grayhound Bus Station"

Jon GOGR Forum Member SUPPORTING MEMBER

First thing I would do is check to see if power is getting to the board. Likely the black and red wires. If those wires have a plug, be sure the pins in the socket don’t have cold or broken solder joints on the board. I believe the sign lamps are 18 volt bulbs, so the output from the ribbon cable, with respect to a common lead (likely black) should pulse DC voltage. I believe the other two plugs (black, blue and white) are for the interior lights. Been a while since I worked on one. We just replaced them since it’s a $20 board. BTW, according to the MTH parts website, the board is out of stock.

10/19/217:12 PM

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