Seven Steps to Replace your Defective Cruise Cut Out Switch
When your feet get tired from driving due to traffic, you can always rely on your cruise control system to help you out. This system automatically controls the speed of your vehicle, maintaining a steady speed when you are on the road. However, due to age and mileage, your vehicle's cruise control may succumb to failure to engage or operate. One of the usual culprits is a defective cruise cut out switch. When this part doesn't work, it prevents the cruise control from engaging. When this happens, you need to bring your vehicle to your trusted mechanic to have it repaired, or you can choose to do it on your own.
Difficulty level: Moderate
What you'll need:
- Wrench set
- Safety glasses
- Digital volt ohmmeter
- Jumper wire and clips
- Vacuum pump
- Test light
Step 1: Diagnose where the root cause of the problem is. Check the cruise control fuse if it is has blown. It is located at the fuse box under the driver's console. Inspect both sides of the fuse if it needs to be replaced.
Step 2: Check the condition of the wirings related to the cruise control system. Look for any melted insulation or burned wires, and replace them as necessary.
Step 3: Inspect the throttle linkage adjustment. Check for vacuum leaks at the servo. You might want to try turning the engine on and use jumper wires to test the servo solenoid valves. Use the vacuum pump to check if the servo is still able to hold vacuum. Replace the servo as necessary.
Step 4: If all the parts are okay, check the condition of your cruise cut out switch. You may want to refer to your vehicle's owner's manual to know the exact location of this part. Remove the trim panels above the brake pedals to access the switch.
Step 5: Once you find the old cruise cut out switch, unplug it from the system. Disconnect it from the vacuum line, and the use a wrench to remove it carefully to avoid damaging the other parts. Check it for signs of wear and tear. Set it aside and refrain from reusing it to another vehicle. This is to ensure that the cruise control will work perfectly.
Step 6: With the old part removed, install your replacement cruise cut out switch. Simply plug it in and tighten it using a wrench. Make sure to adhere to the specifications indicated in the manual. Reconnect it to the vacuum line. Reinstall the trim panels.
Step 7: Once installed, you may need to try turning your engine on and testing if the switch works properly. Remember that you do not even need to bleed the brakes to get rid of air in the lines.
Voila! Your cruise control is back to business. It may take you an hour or two to do this replacement on your own, but you can save a lot of money. It is important to replace your cruise control cut out switch to ensure the safe operation of your vehicle.