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cogogotoday at 5:21 AM3 repliesview on HN

Interesting. I now know why my windshield wipers quit for a sec when my vw auto stop/start kicks back on.


Replies

HeyLaughingBoytoday at 6:09 PM

Some accessories are disconnected while cranking so the battery can supply as much current as possible to the starter.

bluGilltoday at 12:24 PM

Ignition switches were turning off the wipers and other such extras in the 1980s. Probably longer but I'm not old enough to remember

Maxiontoday at 6:49 AM

Not a car engineer, but those motors can be pretty high A, so this could also just be a feature that helps the starter get as much power as it can while cranking.