To help you troubleshoot, please specify:
* What exactly is NOT working? (e.g., power windows, radio, power locks, horn, A/C blower, etc.) List everything that's malfunctioning.
* Have you checked the fuses? The fuse box is usually located under the hood and inside the vehicle (often under the dashboard). Check all fuses related to the components that aren't working. Look for blown fuses (broken filament). Replace any blown fuses with the correct amperage rating.
* Have you checked the relays? Relays are small switches that control larger electrical loads. They often click when activated. If you suspect a relay problem, you might need to swap known-good relays with the suspect ones to test.
* Has the battery been tested? A weak or failing battery can cause intermittent electrical problems.
* Any recent modifications or repairs? Did you recently install anything new or work on the electrical system?
* Any unusual smells (burning plastic, etc.)? This might indicate a short circuit.
Once you provide more details, we can give you more specific troubleshooting advice. A repair manual specific to your 1998 Dodge Caravan would also be extremely helpful. You can often find these online (PDF versions) or at auto parts stores.
