Question about Buick Lucerne
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Posted on Jan 02, 2017
I just accessed mine. It is under the rear seat. You just lift up on the seat, and it pops right out. If you are having problems with the rear defroster, it could very likely be the control module. This is a combination module which the rear antenna, and the defroster grid plugs in to.
When mine went out I smelled a "burnt wire" smell, then it went out.
To access the module, sit in the back seat, drivers side. There is a trim panel that will be by your left ear as you are looking forward. It is the panel that flares down from the ceiling to the rear deck. Gently pull at the edge of this panel, working around the edges, and the small strip which continues over the top of the door.
The seatbelt goes through this panel, so it will be hanging from the seatbelt at this point. There is a ~3" square, black module with the defroster input and output wires, and the antenna wire plugged into it.
You just unplug the wires, pull the one mounting screw, and voila!
On mine the module was obviously melted, as was the wire going into it. I got the replacement from a salvage yard, as the new one was over $50, and the replacement wire was $18. The salvage yard was unable to look it up, so I had to go out to the yard with them and pull it myself. The final cost was $17 (they tried to charge me $40, and I told them I could get it online for that, and they dropped the price).
You can use a crimp on **** connector to put in the replacement wire, but because of the heat in that area I chose to solder the wires together.
BTW, this module fits a wide range of Buicks, and full size Olds.
Hope this helps.
Posted on Jan 20, 2009
on the passenger side under the dash there is a cover panel. take the screws out and pull it off, carefull the light needs to be removed after you do this. the fuse panel will be close to the left. oh by the way. their are 4 fuse boxes on this model.
Posted on Mar 19, 2009
The fuse panel is located on the left side bottom left side of the dash. The fuse you are looking for should be labeled radio on the face of the fuse box. 9c
Posted on Mar 20, 2009
RIght hand side of the car behind a panel...3 clips hold it pull it off...Under the hood same side of car MASTER fuse box.....GARY KNOWS ALL ANSWERED THIS
Posted on Mar 26, 2009
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