how to fix Ram 1500 DT (2019-Present) wipers that won’t turn off

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

573 words

Problem Statement

Learn how to diagnose and fix wipers that won't turn off in Ram 1500 DT (2019-Present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shocks or shorts
•Allow the engine to cool before accessing components near the engine bay

Symptoms

•Wipers continue to operate after the control stalk is turned off
•Wipers may operate intermittently or at constant speed
•Possible accompanying 'wiper motor' or 'wiper control' error codes in the system
•Wiper fluid may not function if the issue is electrical
•Potentially blown fuses related to the wiper system

Diagnostic Steps

1
Scan the vehicle's computer system for error codes using an OBD-II scanner
2
Check the wiper fuse in the fuse box for any signs of damage or blown fuses
3
Inspect the wiper control stalk for physical damage or wear
4
Test the wiper motor by applying direct power from the battery to ensure it functions
5
Verify the wiring harness and connections for corrosion or loose connections

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
•Wire stripper/crimper
•Torque wrench

Parts Required

•Wiper control stalk (if damaged)
•Wiper motor (if faulty)
•Replacement fuses (as needed)

Related Faults

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Symptoms

•Wipers continue to operate after the control stalk is turned off

•Wipers may operate intermittently or at constant speed

•Possible accompanying 'wiper motor' or 'wiper control' error codes in the system

•Wiper fluid may not function if the issue is electrical

•Potentially blown fuses related to the wiper system

Diagnostic Steps

1
Scan the vehicle's computer system for error codes using an OBD-II scanner
2
Check the wiper fuse in the fuse box for any signs of damage or blown fuses
3
Inspect the wiper control stalk for physical damage or wear
4
Test the wiper motor by applying direct power from the battery to ensure it functions
5
Verify the wiring harness and connections for corrosion or loose connections

Solution

1. Preparation

Gather tools and parts needed for the repair.
Disconnect the battery to ensure safety while working on electrical components.
Tools Required:
- OBD-II scanner
- Multimeter
- Socket set
- Wire stripper/crimper
- Torque wrench

2. Inspect and Replace Wiper Fuse

Locate the fuse box, usually found under the dashboard or in the engine compartment.
Remove the cover and identify the wiper fuse using the diagram on the fuse box cover.
Use a fuse puller or pliers to remove the fuse.
Inspect the fuse; if it is blown, replace it with a fuse of the same amperage.

3. Replace Wiper Control Stalk (if damaged)

Remove the steering column cover by unscrewing the screws securing it.
Disconnect the wiring harness from the wiper control stalk.
Remove the stalk by unscrewing it from the steering column.
Install the new wiper control stalk by reversing the removal process.
Reconnect the wiring harness and secure the steering column cover.

4. Check Wiper Motor Functionality

Locate the wiper motor, usually found under the cowl panel at the base of the windshield.
Disconnect the electrical connector from the wiper motor.
Use a multimeter to test the motor; check for voltage at the connector when wiper control is activated.
If the motor does not receive power, trace the wiring back to the control stalk and inspect for breaks or shorts.
If the motor is faulty, replace it with a new one by unbolting it from its mount and reversing the installation.