Ford B166a60 -

: Over time, the thin heating filaments behind the glass can crack or burn out, creating an open circuit.

Providing the year and model (e.g., Focus, F-150) can help determine if there is a known service bulletin or common wire failure point for your vehicle. ford b166a60

: Typically serves as a 4x4 control switch or a seat memory control module. : Over time, the thin heating filaments behind