LEFT SIDE - P1
RIGHT SIDE - P2
Use this diagram for wiring terminal blocks P1 and P2 if you completely removed
the PCB from the circuit using OPTION 1:
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pair #2 track wire & either green BIG BOOST™ wire
pair #1 track wire & either green BIG BOOST™ wire
blue jump wire for 9V batter y (7.2V use rating)
red battery cap wire & red BIG BOOST™ wire (positive)
black batter y cap & blue BIG BOOST™ wires (negative) & blue jump wire
volume increase switch outside wire
volume control switch center wire
volume decrease switch outside wire
1 black wire of pair #3-chuff wire
1 black wire of pair #3-chuff wire
crossing whistle reed switch (optional)
bell reed switch (optional)
not used for Bachmann Shay
not used for Bachmann Shay
not used for Bachmann Shay
ground for optional reed switches
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