AC Blower May Only Work on High or Melt Connector at Blower: Jeep Grand Cherokee Heating & Air Conditioning

Problem overview

Failure in the blower motor power module (automatic temperature controls) or resistor block (manual AC) may cause the heater blower motor to work only on the high setting. The connector to the power module/resistor block is known to overheat (and sometimes melt). The connector or terminals should be replaced; a replacement connector is available.

134 people reported this problem

57 comments

Schedule Repair

Jeep Grand Cherokee vehicles with this problem

Average mileage: 132,462 miles

(45,000 - 340,000)

Repairs related to this problem

Blower Motor Resistor Replacement

Need a diagnosis? Trust our Jeep experts.

RepairPal Certified shops offer expert diagnosis and repair services for your Jeep Grand Cherokee, ensuring transparency with upfront pricing and a minimum warranty of 12 months or 12,000 miles on all repairs and services.

Search for another problem

RepairPal ™Car Genius

Ask our experts about your Jeep.

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.

AC Blower May Only Work on High or Melt Connector at Blower on Jeep Grand Cherokee