[BiturboS4] ESP and headlights

David Lau toomanycars at mac.com
Fri Jan 31 12:52:31 EST 2003

Right. The sudden high draw from the ESP/ABS is what drops the voltage
throughout the car and dims the lights.
David J. Lau, The Brookwood Studio, Inc.  David at brookwoodstudio.com

> From: Michael Benno <mbenno at yahoo.com>
> Subject: Re: [BiturboS4] ESP and headlights
> yes, but I thought the HID lights require relativly low amps once the arc is
> lit.

> David Lau <toomanycars at mac.com> wrote:Don't you think it's simply voltage drop
> from a sudden high current demand?
> Think about it: The ESP duplicates a pretty big stomp on the brakes to 1 or
> more wheels, doesn't it? That energy comes from, what, the ABS pump
> electrically applying a brake? ...not your foot, obviously. That could be,
> say, a 50-amp draw, which is like 25% of what it takes to start the engine,
> which we know dims the lights!
> Just a guess.
> David

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