Reply to "Semaphore problem"

stan2004OGR Forum Member

@Brad Trout posted:
...
I'm wondering if either the ITAD or Semaphore is defective?

I suggest you take the ITAD out of the picture and directly test just the semaphore. So per instructions,

Connect black wire to AC common (outer-rail).

Then, connect red wire to AC hot (Accessory AC or center-rail depending on how you're powering your signals). Does it go to the red position?

Then, disconnect red from AC hot. Connect green to AC hot. Does it go to yellow position...and then after ~10 sec go to green position?

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