Sierra 1500 4WD V8-6.0L (2007)
Note
Remove the two relays (1) next to the fuse to gain access to the fuse.
4. Remove the 60 amp heated windshield washer fuse (2) using needle-nose pliers.
5. Discard the 60 amp heated windshield washer fuse.
6. Install the two relays (1) removed in Step 4.
7. Refer to Windshield Washer Solvent Heater Removal in this bulletin. After completing the Windshield Washer Solvent Heater Removal service
procedure, proceed to Step 8 in this section of the bulletin.
8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in SI.
9. Test the operation of the windshield wiper system.
1. Ensure that the wiper system functions in low and high positions.
2. Verify that the windshield wiper/washer switch functions. The windshield wiper system should provide wiper fluid to the windshield.
3. Verify that the heated windshield washer switch does NOT flash.
10. Secure the UBEC cover on the UBEC.
11. Close the hood.
12. Make a copy of the Owner Manual Supplement, located at the back of this bulletin, and place it in the glove box.
Note
Involved vehicles that are currently in dealer/retailer new car inventory are to receive a corrected Monroney Label (MSRP window sticker). It is
the responsibility of the Service Manager to ensure this label replacement occurs as soon as possible.
13. After this procedure has been performed, issue a check to the customer of record (see the Q&A section in this buleltin for additional details).
Involved vehicles that are currently in dealer/retailer new or used car inventory are not eligible for a check. However, all new vehicles currently in
dealer/retailer inventory will be re-invoiced with appropriate dealer credit for the elimination of this feature.
Buick Lucerne, Cadillac DTS and CTS
2006-2007 Buick Lucerne
2006-2007 Cadillac DTS
The underhood bussed electrical center is located in the vehicle's front left-hand side of the engine compartment between the engine coolant recovery
bottle and rearward of the radiator support housing. The "Heated Windshield Washer" fuse is in location "JC1", which is positioned in the rear center
quadrant of the UBEC.
2008-2009 Buick Lucerne and Cadillac DTS
The underhood bussed electrical center is located in the vehicle's front left-hand side of engine compartment between the engine coolant recovery bottle
and rearward of the radiator support housing. The "Heated Windshield Washer" fuse is in location "F28", which is positioned in the rear inside quadrant
of the UBEC.
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in SI.
