How to Fix B1303 Accessory Delay Relay Coil Circuit Open

Introduction

If you’re experiencing issues with your car’s electrical system, specifically the B1303 Accessory Delay Relay Coil Circuit Open, you’re not alone. This problem can be frustrating and confusing, but with the right knowledge and tools, you can fix it yourself. In this article, we’ll provide step-by-step instructions and useful tips to help you address this issue and get your car back on the road.

What is B1303 Accessory Delay Relay Coil Circuit Open?

The B1303 Accessory Delay Relay Coil Circuit Open is a common problem that occurs in many cars. It’s an issue with the electrical system that controls the accessory delay relay, which is responsible for keeping your car’s accessories running for a short period of time after you turn off the ignition. When this circuit is open, it means that there’s a break in the electrical connection, which prevents the accessory delay relay from functioning properly.

Step-by-Step Guide to Fixing B1303 Accessory Delay Relay Coil Circuit Open

1. Disconnect the battery: Before you start working on your car’s electrical system, it’s important to disconnect the battery to prevent any electrical shocks or damage to the system.

2. Locate the accessory delay relay: The accessory delay relay is usually located in the fuse box under the hood of your car. Refer to your car’s manual to find the exact location.

3. Check the wiring: Once you’ve located the accessory delay relay, check the wiring to see if there are any breaks or loose connections. If you find any issues, use a wire stripper to remove the damaged section of wire and replace it with a new one.

4. Test the relay: After you’ve checked the wiring, test the relay to see if it’s functioning properly. You can do this by using a multimeter to check the resistance of the relay. If the resistance is too high or too low, it means that the relay is faulty and needs to be replaced.

5. Replace the relay: If the relay is faulty, you’ll need to replace it with a new one. You can purchase a replacement relay from your local auto parts store or online. Make sure to choose the right relay for your car’s make and model.

6. Reconnect the battery: Once you’ve replaced the relay, reconnect the battery and test the accessory delay relay to make sure it’s functioning properly.

Useful Tips

– Always refer to your car’s manual before attempting any repairs on your car’s electrical system.
– Use a multimeter to test the resistance of the relay and other electrical components.
– Make sure to disconnect the battery before working on your car’s electrical system to prevent any electrical shocks or damage.
– If you’re not comfortable working on your car’s electrical system, it’s best to take it to a professional mechanic.

Conclusion

Fixing the B1303 Accessory Delay Relay Coil Circuit Open can be a daunting task, but with the right knowledge and tools, you can do it yourself. By following the step-by-step guide and useful tips provided in this article, you can address this issue and get your car back on the road.

FAQs

1. Can I drive my car with a faulty accessory delay relay?
No, it’s not recommended to drive your car with a faulty accessory delay relay as it can cause damage to your car’s electrical system.

2. How much does it cost to replace an accessory delay relay?
The cost of replacing an accessory delay relay can vary depending on your car’s make and model. On average, it can cost anywhere from $50 to $200.

3. Can I replace the accessory delay relay myself?
Yes, you can replace the accessory delay relay yourself if you have the right knowledge and tools. However, if you’re not comfortable working on your car’s electrical system, it’s best to take it to a professional mechanic.