The tabs located along the sides of the defroster connect the defroster electrically to the vehicles defrost circuit. One tab is the positive and the other ground. Electrically Conductive Silver Epoxy Window Defroster Glass Repair Kit 2.5 grams.
Permatex 21351 Electrically Conductive Rear Window Defogger Tab Adhesive
Permatex 21351 Rear Window Defogger Tab Adhesive - Each
Loctite 194080 Rear Window Defogger Tab Adhesive Kit
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Loctite Adhesive - Rear Window Defogger Tab - 2 Part - Kit 194080