Manufacturer communication — 2006 GMC YUKON DENALI XL

• Covers 2000-2015 GM passenger cars and trucks, excluding the 2015 Chevrolet Tahoe, Suburban, GMC Yukon and Cadillac Escalade.

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  2000-2015 GM Passenger Cars and Trucks (Excluding 2015 Chevrolet Tahoe, Suburban, GMC Yukon and Cadillac Escalade)

• Vehicles must have the electric rear window defroster (RPO C49).

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  Equipped With Electric Rear Window Defroster (RPO C49)

Repair

1. On 2007-2014 Tahoe, Suburban, Yukon and Escalade with moveable glass always replace the defroster tab (GM P/N 25916031) and the power connector (P/N 12034110); on all other vehicles reconnect the original defroster tab.

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   For 2007-2014 Chevrolet Tahoe, Suburban, GMC Yukon and Cadillac Escalade vehicles (with moveable glass), always replace the defroster tab (GM P/N 25916031) and the defroster electrical power connector (P/N 12034110). For all other vehicles, reconnect the original defroster tab.

2. Remove the rear defroster power connector and crimp a new one to the feed wire; the proper connector, P/N 12034110, is in the Packard Electrical Assortment, Tray 18, Position 5.

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   It is imperative to remove and replace the rear defroster electrical power connector by crimping a new connector to the feed wire. The proper connector P/N 12034110 can be found in the Packard Electrical Assortment, Tray 18, Position 5.

3. Prepare the surface of the used defroster tab and the defroster buss bar with fine grain (500 grit) sandpaper or Emery cloth.

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   Prepare the surface of the used defroster tab (not required for new tabs on new-style full-size utility models) and the defroster buss bar with fine grain (500 grit) sandpaper or Emery cloth.

4. Wipe the prepared contact area with Kent Automotive Acrysol (or equivalent) to remove residual oil or dirt.

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   Wipe the newly prepared contact area with Kent Automotive* Acrysol™(or equivalent) to remove any residual oil or dirt.

5. Heat the new connector on the buss bar surface to be soldered, holding the connector and defroster tab in place with long nose pliers.

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   Heat the new connector on the surface of the buss bar that is to be soldered. Long nose pliers are suggested to hold the electrical connector and the defroster tab in place.

Parts

• Silver solder: Radio Shack (The Source in Canada) 64-013, 0.022" diameter.

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  64-013* Radio Shack® (The Source® in Canada) Silver Solder (0.022” dia)

• Solvent: P20005 Kent Automotive Acrysol Solvent (32 fl oz) 946 ml.

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  P20005* Kent Automotive Acrysol™Solvent (32 fl oz) 946 ml

Caution

• Let the glass warm to the temperature inside the building; soldering creates a hot spot in the glass, so do not solder on cold glass.

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  Allow time for the glass to warm to the temperature inside the building. Soldering creates a “hot spot” in the glass. DO NOT solder on cold glass.

• Heating the glass excessively, or repeatedly without time to cool, may break the glass.

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  Heating the glass excessively, or repeatedly without time to cool, may result in glass breakage.

• A silver-bearing solder must be used; do not attempt the repair with conventional tin/lead alloy solders.

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  You MUST use a silver-bearing solder to make the connection. DO NOT attempt this repair with conventional tin/lead alloy solders.