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Old 01-23-2013, 04:03 PM   #1
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High Pitched Squeal

Picked up our first class A today and toaded our 2011 Explorer home. The Explorer towed great behind the Allegro 36LA but when we got home and went beck to unhook, by wife mentioned she could hear a Hgh Pitched Squeal coming from the Explorer. Being hard of hearing I really had trouble picking it up, but it was there. The Explorer is towed with the ignition switch in Aux. The squeal went away when the car was put in park and the ignition turned off.

Any ideas for the experts out there???


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Old 01-23-2013, 04:18 PM   #2
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My Ford Edge does it as well. I think it might be the adaptive cruise control radar but haven't tracked it down yet.

Myron & Deborah
08 HR Endeavor 40 SKQ
2012 Ford Edge Limited FWD 3.5L
Aluminator tow bar, Demco base plate
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Old 01-23-2013, 04:38 PM   #3
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Makes sense, if they are using SONAR instead of RADAR (Which also makes sense since RADAR wont' see some things SONAR pings off nicely, Like a Christmas tree in the road, and yes there is a true story behind that, but not today)

Some folks can hear SONAR.. I used to be able to hear it Even if it is supposed to be "Ultrasonic" (Do not know if I still can, have not listened for it).

Congrats on the new MH by the way.
Home is where I park it!
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Old 01-23-2013, 04:57 PM   #4
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I know it is not the adaptive cruise control radar on the Explorer since we do not have it on ours. I did shut off the radio, but forgot to turn off the heating system. Wondered if it was something to do with that. I'll find out whenwe leave next week.
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