Lionel FM Trainmaster Owner's Manual page 7

Transformer operations
Installing the Lionel no. 610-5906-001 sound activation button
T
o operate the bell and horn sounds when
operating your FM Trainmaster with
conventional transformers, you'll need to
Black wire
For AC transformers lacking a horn/whistle button (two no. 5906s required)
Red wire
Lionel no.
610-5906-001
sound activation
button (for horn)
The no. 610-5906-001 sound activation button (available separately) works with any Lionel
Note!
AC transformer except no. 6-4690 Type MW. Transformers made by other manufacturers
may not be compatible with Railsounds.
Customer's wire
to your transformer
Red wire
Lionel no. 610-5906-001
sound activation button for
activating the bell
For AC transformers with a horn/whistle button
Black wire
install the Lionel no. 610-5906-001 sound
activation button (available separately).
Connect the button(s) as shown below.
attach to ground terminal
attach to power terminal
Note!
attach to ground terminal
to your transformer
Red wire
attach to power terminal
Lionel no.
610-5906-001
sound activation
button (for bell)
7
All track power must feed
through "Sound
Activation Button"
Do not bypass button