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I've searched and I've found exceptional detail including DigiKey PNs for the capacitators on one of the circuit boards in CPU #2. However I've only come across images of the second board without specs/PNs. Does anyone have them handy? Since I'll be diving in figured I may as well take care of all of them. Pic of the secondary board in question someone posted years ago.
That's the flasher module - it makes the turn signals blink in the appropriate pattern and will also fast blink if a bulb is out. I have a thread on modifying it to remove the fast blink with LED turn signals.
That said, I've never heard of a problem or failure with the flasher module.