RE: [DML] Re: Idle Speed Motor / Cooling
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RE: [DML] Re: Idle Speed Motor / Cooling

Dave, The motor, as you know doesn't turn as a motor really does but just
makes a 180 degree turn back and fourth to open and close an air passage
If you apply 12 volts to the terminals for say 5 sec or so with out
controlling the current you will burn it up. So there is 12 volts going to
it all the time when the key is on, but the ECU is controlling the current,
so it acts like it's on but it hasn't changed position until the micro
switch tell it to thru the ECU, that's my short explanation.
John Hervey

-----Original Message-----
From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx]On Behalf
Of doctorDHD@xxxxxxx
Sent: Sunday, July 24, 2005 3:33 PM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Re: Idle Speed Motor / Cooling

I've heard this before, that the engine should die if you unplug the idle
speed motor connector but I still don't understand why.  (Mine doesn't

As far as I knew the idle speed motor will stay in what ever position it
when it is unplugged.  Is this not the case?

If I unplug mine when the engine is idling slow it stays slow.  If I  unplug
it when the engine is idling fast, it stays fast.

I am not aware of any mechanism within the idle speed motor that closes  off
its passage way when power is removed.

Who else can shed more light on this?

D² & 6530
Dave Delman

Message:  1
Date: Sun, 24 Jul 2005  16:08:15 -0000
From: "David Teitelbaum"  <jtrealty@xxxxxxxxxxx>
Subject: Re: Idle Speed Motor /  Cooling

If the motor still runs when you unplug the idle motor you have  vacuum
leaks or your throttle linkage is not adjusted correctly or both.  The
motor should stall when you pull the plug on the idle motor.  Check
that the brass screws are closed. Check the throttle plate  adjustments
that the throttle plates are closed all the way.
David  Teitelbaum
vin 1075

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