Ford F-150 windshield wipers malfunctioning, randomly turning on after replacing turn signal stalk on Ford F-150

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Ford F-150 owners report experiencing issues with windshield wipers randomly turning on after replacing the turn signal stalk. This problem may be attributed to a malfunctioning wiper switch, which can often be resolved by cleaning the switch and motor connectors with contact cleaner to remove debris or dried grease. Additionally, owners should check the condition of the wiper and wiper motor fuses located in the battery junction box, as blown or damaged fuses can lead to wiper malfunctions. Another potential cause is the breakdown of dielectric grease within the wiper control; cleaning out degraded grease and ensuring the control is free from gunk buildup may help prevent random wiper activation. Addressing these factors can assist in troubleshooting and resolving the wiper issue effectively.

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