ShutterSpeed's Recent Activity

  1. ShutterSpeed liked ChapmanF's post in the thread Brake master cylinder and booster pump.

    It's easy to hear the brake pump running, so that's an easy check for whether it could even be the culprit. In a good unit, it should...

    Oct 8, 2025 at 9:04 PM
  2. ShutterSpeed liked rjparker's post in the thread Brake master cylinder and booster pump.

    There are simple tests for parasitic draws with a series ampmeter. Know how big of a draw you have first before spending money for...

    Oct 8, 2025 at 8:28 PM
  3. ShutterSpeed replied to the thread Brake master cylinder and booster pump.

    The tech said that it was going on every few seconds after shut off and that’s the cause of the parasitic drain. The logic makes some...

    Oct 8, 2025 at 7:54 PM
  4. ShutterSpeed posted a new thread.

    Brake master cylinder and booster pump

    hi all! having an issue with my 2011 Prius where the 12v battery is consistently dead. I mean no lights, chimes or anything, dead....

    Forum: Gen 3 Prius Technical Discussion

    Oct 8, 2025 at 6:05 PM