Wiper blades

Asked by Sep 28, 2016 at 03:15 PM about the 1993 Mercury Grand Marquis 4 Dr GS Sedan

Question type: Maintenance & Repair

My car's wiper blades hadn't been working
for about a year now. We have replaced the
motor twice, and both times the motors
burned up. This time, we replaced the
motor, wires that were melted, the relay
fuse, and the switch and it still will not
work. Any suggestions as to what could be
the problem?

3 Answers

13,735

Search for shorted wires to wiper motor.

We tested the wires for power and there's plenty of juice coming from them both.

13,735

Switch new, wires new, motor, fuses & relay new, idk unless one of those is overlooked.

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