Side mirror solenoïd parasitic noise

Discussion in '365 GT4 2+2/400/412' started by raemin, Apr 27, 2020.

  1. raemin

    raemin Formula Junior

    Jan 16, 2007
    Lyon (FR)
    Full Name:
    R. Emin
    Now that my side mirrors are working, they have introduced a nasty issue...

    Left/Right motion does not generate any problem, but using up/down generate an horrendous BLIP on the audio. Damaging the cheap Philips radio is not a big deal, but I'd rather avoid damaging the Dinoplex, my expensive dashboard dimmer, or even the mirror switch itself.

    Up/down mirror motion (unlike left/right) requires to activate the mirror solenoid. I presume the coil of the solenoid generates a large spike of current. Any idea on how to get rid of this new gremlin? Also should the fix be applied as close as possible to the mirror(s) solenoid(s) or can I just filter these spikes next to the mirror switch (easier access).
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