I can't tell you the exact name of the part. I believe that if you take the back panel off inside next to the rear window where the defogger connects, you will find that the part is burnt. It will be on the passenger rear. Do not confuse it with the antenna. I went to a salvage yard and got one from a used Lesabre.
simplest thing to check-fuses!
Some rear window defoggers are filaments built into the rear window that heat up when the rear defogger is turned on. This type of window should not be scraped with an ice scraper.
Ervin baran
in the rear of the car maby?
With a test light.
The fuse for the rear defogger is located behind the glove box. Just had mine replaced.
They make kits that are sold in most autoparts stores for repairing the broken wires on the rear defogger. Pretty inexpensive.
the rear window above the defogger
In most cases controlled by rear window defogger switch
This is normally a resistive heating fixed to the inner surface of the glass of the rear screen.
I would go to a professional mechanic to have him/her fix it. Your issue could be an assortment of things; it could be the element in the rear window, wiring, or circuitry.
In most cases controlled by rear window defogger switch