(Topic ID: 100896)

TAF Flasher Transistor Question

By rogerdodger

9 years ago



Topic Stats

  • 3 posts
  • 3 Pinsiders participating
  • Latest reply 9 years ago by terryb
  • Topic is favorited by 1 Pinsider

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#1 9 years ago

Hi Guys:

The upper right ramp flasher on my TAF does not work. I know the bulb, socket, wiring and connectors are good.

The only other thing I can think of is the transistor that drives it, Q42.

However, according to the book, this transistor also drives the telephone flasher, which is working.

So, my question is, can the transistor have partially failed so that it only drives one of the two flashers, instead of both of them or do transistors fail completely?

I'm completely out of ideas, so all help appreciated.

Roger

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