Rear window defog circuitry.
Junior Member
Joined: Jan 2011
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I just pulled out the plastic pieces that cover the wiring to the defroster on my 2003 park ave which the defroster had stopped working in. These are the pieces just to the left and right side of you rear window. I found a module on the driver side of the rear window GM 25623688 that is burnt and the wiring connector to it is also burnt. I had 12vdc from ground to the wiring in the connector when the power to the defroster was turned on. I am going to look for this part tomorrow as well as a new connector. I don't know what caused it to burn up, but i am going to try to replace it.
That part number is GM 25623688, I don't know where that smiley face came from.
Junior Member
Joined: Sep 2014
Posts: 1
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From: Omaha,NE
Defroster relay - GM part# 25623688
Just bought mine 2 days ago on Amazon for a little over $40.00 + the melted plug/pigtail repair end for $10.00 more. As a set! Somebody knows about this problem. Mine is a 05 Ultra. Same part/ same part# 25623688
There HAS to be a T.*.B. or something covering all of these years!
There HAS to be a T.*.B. or something covering all of these years!
Last edited by billsavedbygrace; Sep 19, 2014 at 05:04 PM.
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