Find Your 2018 Jeep Compass Starter Relay Location Now!

If you’re experiencing difficulties starting your 2018 Jeep Compass, the starter relay may be the culprit. Locating the starter relay in your Jeep Compass is crucial in ensuring optimal functionality and addressing any problems that may arise.

In this section, we’ll provide you with detailed instructions on how to locate the starter relay in your 2018 Jeep Compass. By following these steps, you’ll be able to identify the starter relay and troubleshoot any issues that may be preventing your Jeep Compass from starting.

Why is the Starter Relay Important for Your 2018 Jeep Compass?

The starter relay is an essential component in the ignition system of your 2018 Jeep Compass. It plays a critical role in the starting process, allowing the battery to send power to the starter motor, which then turns the engine over. Without a functioning starter relay, your Jeep Compass won’t start.

The starter relay is located in the power distribution center (PDC), which houses several other relays and fuses. The PDC is located on the driver’s side of the engine compartment, just behind the air filter box.

Why the Starter Relay?

The starter relay serves as a safety mechanism, preventing the starter motor from engaging if the vehicle is in gear or the key is not in the “start” position. It also protects the starter motor from excessive current, which can cause damage or failure.

In addition to its safety functions, the starter relay is responsible for supplying power to the ignition switch and all other electrical components of the Jeep Compass. This means that a malfunctioning starter relay can result in a multitude of electrical problems, including the inability to start the engine or a complete loss of power.

How to Find the Starter Relay on Your 2018 Jeep Compass

Locating the starter relay in your 2018 Jeep Compass is not as challenging as it may seem. By following these simple steps, you can easily find the starter relay:

  1. Locate the fuse box: The fuse box in your Jeep Compass is typically located under the hood, on the driver’s side.
  2. Identify the starter relay: The starter relay is typically labeled in the fuse box. If not, consult your owner’s manual for its specific location.
  3. Inspect the relay: Once you have located the relay, inspect it for any signs of wear or damage. If it appears damaged, replace it immediately.

Always refer to your owner’s manual for additional guidance on locating and inspecting the starter relay in your 2018 Jeep Compass.

Common Jeep Compass Starter Relay Problems

The starter relay is a crucial component of the starting system in your 2018 Jeep Compass. However, like any other mechanical part, it can develop problems over time. Here are some common issues that you may encounter with your Jeep Compass starter relay:

See also  Find Your 1995 Nissan Pickup Starter Relay Location Easily!
Problem Cause Solution
Clicking sound but engine won’t start Bad starter relay or battery Check and replace faulty component
Engine cranks but won’t start Faulty starter, battery, or alternator Diagnose and repair underlying issue
Intermittent starting problems Worn or corroded wiring connections Clean or replace damaged parts

If you experience any of these issues with your Jeep Compass starter relay, it’s important to address them promptly to prevent further damage to your vehicle’s starting system.

Troubleshooting Jeep Compass Starting Problems

If your Jeep Compass is experiencing starting problems, it could be due to a variety of issues. Here are some troubleshooting techniques to help you diagnose and solve the problem:

1. Check the Battery

The first thing to check is the battery. Make sure it’s fully charged and that the connections are clean and tight. If the battery is more than three years old, it may need to be replaced.

2. Test the Starter

If the battery is fine, the next step is to test the starter. Turn the key to the “on” position and listen for a clicking sound. If you hear the sound, but the engine doesn’t turn over, the starter may be faulty and need to be replaced.

3. Check the Starter Relay

If you don’t hear a clicking sound when you turn the key, the problem may be the starter relay. As we discussed earlier in this article, the starter relay controls the flow of electricity to the starter. Check the relay to make sure it’s functioning correctly and replace it if necessary.

4. Look for Faulty Sensors

If the battery, starter, and relay are all fine, the problem may be with one of the sensors in your Jeep Compass. Check the sensors for fault codes using an OBD scanner. If any codes appear, the sensor may be faulty and need to be replaced.

By following these troubleshooting techniques, you can quickly diagnose and solve starting problems in your Jeep Compass. Remember, it’s important to address any issues as soon as possible to prevent further damage and ensure your vehicle is running smoothly.

Resolving Jeep Compass Starter Issues

If you are experiencing issues with your Jeep Compass starter, there are several steps you can take to troubleshoot and resolve the problem. Here are some common starter issues and their solutions:

Starter Issue Solution
Starter motor does not engage Check the battery for a charge, ensure the battery connections are tight, and inspect the starter motor wiring for loose connections. If everything checks out, the starter motor may need to be replaced.
Starter motor spins but engine does not start Check the fuel supply and ignition system for any issues. If those check out, the problem may lie with the starter solenoid. Test the solenoid by using a multimeter to check for continuity. If there is no continuity, replace the solenoid.

If you are unsure about how to replace any parts or perform any of the troubleshooting steps, it is best to consult with a qualified mechanic or technician.

See also  Find Your 2007 Honda Accord Starter Relay Location Easily!

Addressing Electrical Issues in Your Jeep Compass

Along with starter relay problems, the Jeep Compass is also prone to electrical issues that can cause starting problems. If you are experiencing issues with your vehicle’s electrical system, here are some tips to help troubleshoot the problem:

  1. Check your battery: A dead or weak battery is a common cause of starting issues. Check the battery terminals for any corrosion or damage and ensure they are tightly connected. If the battery is old or not holding a charge, it may need to be replaced.
  2. Inspect the alternator: The alternator is responsible for recharging the battery while the engine is running. If the alternator is not charging the battery properly, the vehicle may not start. Have the alternator tested to ensure it is functioning correctly.
  3. Look for damaged wiring: The electrical system in your Jeep Compass is complex, and damaged wiring can lead to starting issues. Check for any discolored or frayed wires and repair or replace them as necessary.
  4. Scan for error codes: If the check engine light is on, there may be an issue with the vehicle’s electrical system. Use an OBD-II scanner to check for error codes and address any underlying problems.

If you are still experiencing issues after trying these tips, it may be time to consult a qualified mechanic or electrical specialist. They will be able to diagnose the problem and provide expert guidance on how to fix it.

Frequently Asked Questions (FAQ) about the Jeep Compass Starter Relay

Here are some common questions related to the starter relay in the 2018 Jeep Compass:

  1. What is the function of the starter relay in the Jeep Compass?

    The starter relay is responsible for supplying electrical power to the starter motor, allowing it to engage and turn over the engine.

  2. Where is the starter relay located in the Jeep Compass?

    The starter relay is typically located in the engine compartment fuse box, but its specific location can vary depending on the make and model of your Jeep Compass.

  3. What are some common signs of a faulty starter relay?

    If your Jeep Compass won’t start, makes a clicking noise, or experiences intermittent starting issues, it could be a sign of a faulty starter relay.

  4. Can I replace the starter relay in my Jeep Compass myself?

    Yes, replacing the starter relay in your Jeep Compass is a fairly simple process that can be done with basic tools and some mechanical know-how.

If you have any further questions or concerns regarding the starter relay in your Jeep Compass, consult your vehicle’s owner’s manual or contact a certified Jeep mechanic for assistance.


Locating the starter relay in your 2018 Jeep Compass is crucial in ensuring optimal functionality of your vehicle. By following the step-by-step instructions provided in this article, you can easily locate the starter relay and address any issues that may arise. Remember, the starter relay is an essential component in the starting process of your vehicle, so it is important to address any problems promptly to avoid potential safety issues or further damage to your Jeep Compass.

Stay informed with Jeep Compass Starter Relay tips

Stay informed and follow our website for more tips and tricks on maintaining your 2018 Jeep Compass. Our team of experts is dedicated to providing you with the most up-to-date information and advice for keeping your Jeep Compass running smoothly.

Scroll to Top