how to fix the windshield wiper not working in my Ram 1500 DT (2019-Present)?

Ram 1500 DT (2019-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

672 words

Problem Statement

Learn how to diagnose and fix windshield wiper issues in 2019 Ram 1500 DT. Step-by-step guide with symptoms, diagnostic steps, 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 shorts.
•Ensure the vehicle is off before performing any repairs to avoid injury.

Symptoms

•Windshield wipers do not move when activated
•Wiper control stalk does not produce any response
•No sound from the wiper motor when activated
•Washer fluid does not spray when the button is pressed
•Fuse for wipers is intact but wipers still fail to operate

Diagnostic Steps

1
Inspect the wiper control stalk for any physical damage or disconnection.
2
Check the fuse for the windshield wipers in the fuse box to ensure it is not blown.
3
Use an OBD-II scanner to check for any relevant trouble codes that might indicate electrical issues.
4
Test the wiper motor by applying direct power to see if it functions.
5
Examine the wiring harness and connectors for corrosion or damage.
6
Check the windshield wiper relay for proper operation.

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

•Screwdriver set
•Trim removal tools
•Fuse puller or needle-nose pliers
•Multimeter
•Socket set
•Electrical contact cleaner

Parts Required

•Wiper control stalk (if faulty)
•Wiper motor (if faulty)
•Wiper relay (if faulty)
•Wiper fuse (if blown)

Related Faults

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Diagnostic Steps

1
Inspect the wiper control stalk for any physical damage or disconnection.
2
Check the fuse for the windshield wipers in the fuse box to ensure it is not blown.
3
Use an OBD-II scanner to check for any relevant trouble codes that might indicate electrical issues.
4
Test the wiper motor by applying direct power to see if it functions.
5
Examine the wiring harness and connectors for corrosion or damage.
6
Check the windshield wiper relay for proper operation.

Solution

1. Preparation

Gather necessary tools and materials.
Ensure the vehicle is parked on a flat surface with the engine off and the keys removed from the ignition.

2. Inspect and Replace Wiper Control Stalk

Tools Required: Screwdriver set, trim removal tools
Remove the steering column cover by unscrewing the screws and carefully prying off the cover.
Disconnect the battery to prevent any electrical shorts.
Detach the wiper control stalk by unscrewing it and disconnecting the wiring harness.
Install a new wiper control stalk by reversing the disassembly process.

3. Check and Replace Wiper Fuse

Tools Required: Fuse puller or needle-nose pliers
Locate the fuse box, typically found under the dashboard or near the driver's side.
Use the fuse diagram to identify the windshield wiper fuse.
Pull the fuse and inspect it; if it is blown (the wire inside is broken), replace it with a new one of the same amperage.

4. Test and Replace Wiper Motor

Tools Required: Multimeter, socket set
Disconnect the wiper motor wiring harness.
Use a multimeter to test for power at the motor connector while activating the wipers.
If there is power but the motor does not operate, remove the wiper motor by unscrewing it from the mounting bracket.
Install a new wiper motor by reversing the disassembly process.

5. Inspect Wiring and Connectors

Tools Required: Electrical contact cleaner, wire strippers
Examine the wiring harness connected to the wiper motor and control stalk for any signs of wear or damage.
Clean any corroded connectors with electrical contact cleaner.
Repair or replace any damaged wires using wire strippers and connectors as necessary.

6. Check and Replace Wiper Relay

Tools Required: None (if relay is easily accessible)
Locate the wiper relay in the fuse box; refer to the diagram for correct identification.
Remove the relay and test it by swapping it with a similar relay (if available).
If the wipers function with the swapped relay, replace the faulty relay with a new one.