1. Check the Fuse:
* Locate the fuse box: Consult your owner's manual to find the location of the interior fuse box (usually under the dashboard or in the engine compartment).
* Identify the correct fuse: The owner's manual should list the fuse for the power trunk release. It's likely labeled something like "trunk release," "power lock," or a similar description.
* Inspect the fuse: Check for a blown fuse (a broken filament). Replace it with a fuse of the same amperage if necessary. If the fuse blows immediately after replacement, there's a short circuit somewhere in the system.
2. Test the Remote:
* Try all remote functions: Ensure your remote is working correctly by testing the other locking/unlocking features (doors). If none of the remote functions work, the problem is likely with the remote itself, its battery, or the vehicle's receiver.
* Try a spare remote (if available): If you have a spare remote, try using it to open the trunk. This will help determine if the problem is with the remote or the car's system.
3. Check the Wiring:
* Locate the trunk release actuator: This is the electrical motor that physically unlocks the trunk latch. It's usually located near the trunk latch mechanism itself. You'll likely need to access it from inside the trunk.
* Inspect the wiring: Carefully examine the wiring harness leading to the actuator for any signs of damage, such as fraying, cuts, or corrosion. Pay close attention to where the wiring enters and exits the trunk, as these points are vulnerable.
* Test the wiring (advanced): Using a multimeter, you can test the continuity of the wires leading to the actuator. This requires some electrical knowledge and should only be attempted if you're comfortable with it. You'll need to consult a wiring diagram for your specific Neon model.
4. Test the Trunk Release Actuator:
* Access the actuator: You may need to remove some interior trim panels inside the trunk to gain access.
* Visual inspection: Check for any obvious physical damage to the actuator.
* Test the actuator (advanced): With the actuator disconnected, you can apply 12V power directly to the actuator's terminals (using caution and following proper polarity) to see if it moves. If it moves, the problem lies elsewhere in the electrical system. If not, the actuator is likely faulty and needs replacing.
5. Inspect the Trunk Latch Mechanism:
* Check for obstructions: Make sure nothing is blocking the trunk latch from opening.
* Inspect the latch: Check the latch mechanism itself for any damage or binding. This might require some disassembly of the latch assembly.
6. Possible Solutions:
* Replace the fuse: If a blown fuse was the problem, the trunk release should now work.
* Replace the remote: If the remote is faulty, get a replacement.
* Repair or replace wiring: If wiring is damaged, repair it or replace the damaged section.
* Replace the actuator: If the actuator is faulty, replace it with a new one.
* Lubricate the latch mechanism: Sometimes, a little lubrication can solve a sticking latch.
Important Considerations:
* Consult a Repair Manual: A repair manual specific to your 1998 Dodge Neon will provide detailed diagrams and instructions.
* Safety First: Disconnect the battery's negative terminal before working with any electrical components to prevent accidental shorts or shocks.
* Professional Help: If you're not comfortable working with car electrical systems, it's best to take your car to a qualified mechanic.
This process should help you pinpoint the problem. Remember to always consult your owner's manual and potentially a repair manual for specific details about your vehicle's system. Good luck!
