B1245 Wiper Rear Motor Run Relay Circuit Short to Battery

How to Fix B1245 Wiper Rear Motor Run Relay Circuit Short to Battery

Introduction

If you’re experiencing issues with your car’s wiper rear motor run relay circuit short to battery, you’re not alone. This is a common problem that can be frustrating to deal with. However, with the right tools and knowledge, you can fix this issue yourself and save money on costly repairs. In this article, we’ll provide you with step-by-step instructions on how to fix B1245 wiper rear motor run relay circuit short to battery.

What is B1245 Wiper Rear Motor Run Relay Circuit Short to Battery?

B1245 is a diagnostic trouble code (DTC) that indicates a problem with the wiper rear motor run relay circuit short to battery. This means that there is a short circuit in the wiring that connects the wiper rear motor run relay to the battery. This can cause the wiper rear motor to malfunction or not work at all.

Tools Required

Before you start fixing the issue, you’ll need to gather the following tools:

  • Socket set
  • Wire cutters
  • Wire strippers
  • Electrical tape
  • Multimeter
  • Soldering iron
  • Solder

Step-by-Step Guide

Follow these steps to fix B1245 wiper rear motor run relay circuit short to battery:

car vertical

Step 1: Disconnect the Battery

Before you start working on the wiring, you need to disconnect the battery to avoid any electrical shock. Use a socket set to remove the negative cable from the battery.

Step 2: Locate the Wiper Rear Motor Run Relay

The wiper rear motor run relay is usually located in the engine compartment. Refer to your car’s manual to locate it.

Step 3: Check the Wiring

Check the wiring that connects the wiper rear motor run relay to the battery. Look for any signs of damage or wear and tear. If you find any damaged wires, use wire cutters to remove the damaged section and strip the ends of the wire.

Step 4: Test the Wiring

Use a multimeter to test the wiring for continuity. Set the multimeter to the continuity setting and touch the probes to the ends of the wire. If there is no continuity, the wire is broken and needs to be replaced.

Step 5: Solder the Wires

If the wiring is damaged, use a soldering iron and solder to repair it. Heat the soldering iron and apply solder to the damaged section of the wire. Allow the solder to cool and solidify before moving on to the next step.

Step 6: Wrap the Wiring

Once you’ve repaired the wiring, wrap it with electrical tape to protect it from further damage.

Step 7: Reconnect the Battery

Reconnect the negative cable to the battery and start the car. Test the wiper rear motor to ensure that it’s working properly.

Conclusion

Fixing B1245 wiper rear motor run relay circuit short to battery is a simple process that can be done at home with the right tools and knowledge. By following the steps outlined in this article, you can save money on costly repairs and get your car back on the road in no time.

FAQs

1. Can I drive my car with B1245 wiper rear motor run relay circuit short to battery?

It’s not recommended to drive your car with this issue as it can cause further damage to the wiper rear motor and other electrical components.

2. How much does it cost to fix B1245 wiper rear motor run relay circuit short to battery?

The cost of fixing this issue can vary depending on the make and model of your car and the extent of the damage. However, fixing it yourself can save you money on costly repairs.

3. How can I prevent B1245 wiper rear motor run relay circuit short to battery?

Regular maintenance and inspections can help prevent this issue from occurring. Check the wiring and electrical components of your car regularly to ensure that they’re in good condition.