Then why does it show 12v when tested?

On Sun, Dec 14, 2008 at 2:13 PM, Mike Collum <collum@verizon.net> wrote:

> The switch on the power steering pump simply completes a wire that goes to
> ground.  A switch knows no polarity.  It only "Grounds" when the steering is
> turned hard right or hard left in order to bump up the idle a bit.  If that
> switch totally quit working, you'd likely never know it.
>
> Mike
>
>
--
Casey
'87 300TD
'94 100CSQ Avant
'89 Bluestar

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