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my Ford Explorer blower motor only works on high speed, how can I fix it? - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/my Ford Explorer blower motor only works on high speed, how can I fix it?

my Ford Explorer blower motor only works on high speed, how can I fix it?

Ford Explorer Fifth Generation (2011-2019)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
498 words

Problem Statement

Learn how to diagnose and fix a blower motor that only works on high speed in a Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
HVAC
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect battery before working on electrical systems to avoid shock or short-circuiting.

Symptoms

  • •Blower motor operates only on the highest speed setting
  • •Inability to adjust blower speed lower than high
  • •Possible accompanying noise from the blower motor
  • •No air circulation at lower speeds
  • •Dashboard climate control settings may not respond correctly

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Multimeter
  • •Socket set
  • •Screwdriver set

Parts Required

  • •Blower motor resistor (specific to Ford Explorer model)

Additional Information

Affected Component
HVAC
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
1 item

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface, and the engine is off.
  • Disconnect the negative battery terminal to prevent electrical shock.
2. Remove the Blower Motor Resistor
  • Locate the blower motor resistor, typically found under the dashboard near the blower motor.
  • Remove any screws or bolts securing the resistor using a socket set.
  • Disconnect the electrical connector from the resistor. Gently tug to avoid damage.
3. Inspect and Test the Resistor
  • Visually inspect the resistor for signs of damage, such as burnt or melted components.
  • Using a multimeter, set it to the resistance (ohms) mode.
  • Measure the resistance across the terminals of the resistor. Refer to the vehicle’s service manual for the specific resistance values.
  • If the resistor does not meet the specified values, it must be replaced.
4. Install New Blower Motor Resistor
  • Obtain a new blower motor resistor that is compatible with the Ford Explorer model.
  • Connect the electrical connector to the new resistor.
  • Secure the resistor in place with screws or bolts.
5. Reassemble and Test
  • Reconnect the negative battery terminal.
  • Start the vehicle and test the blower motor at all speed settings to ensure functionality.