Lincoln MKZ burning smell and constant cooling fan operation due to faulty underhood wire harness and fuse box replacement on Lincoln MKZ

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

Problem overview

Some Lincoln MKZ owners report experiencing issues such as a burning smell and constant cooling fan operation, which may be linked to a faulty underhood wire harness and fuse box that could require replacement. These electrical problems have been noted by various owners, indicating potential wiring harness and fuse box malfunctions. Additionally, some owners have had to perform Technical Service Bulletins to fix issues like worn or frayed wiring harnesses that affect features such as massage seating. The continuous operation of the cooling fan may signal a malfunction in the cooling system, likely related to these electrical faults. If these problems arise, it is advisable for owners to have their vehicles inspected by a qualified technician to diagnose and address the underlying issues promptly, as this can help prevent further damage and ensure safe vehicle operation.

1 person reported this problem
0 comments
Schedule Repair

Lincoln MKZ vehicles with this problem

0 model year affected

Search for another problem

RepairPal Car Genius

Ask our experts about your Lincoln.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Available 9am – 6pm ET Monday through Friday

Call Our Experts
© 2026 RepairPal, Inc. RepairPal® RepairPal Certified®