How do you reset control panel for the rear wiper defrost and air conditioner ona1999 caravan?

There's no single "reset" button for the rear wiper, defroster, or air conditioner controls in a 1999 Dodge Caravan. These systems are controlled by independent circuits and switches. Problems typically stem from faulty switches, wiring, fuses, or the control module itself (the climate control unit).

Here's a troubleshooting approach:

1. Check the Fuses: Start by checking the fuses in the underhood fuse box and the interior fuse panel (usually located under the dash). Consult your owner's manual to identify the fuses for the rear wiper, defroster, and AC blower motor. Replace any blown fuses.

2. Inspect the Switches:

* Rear Wiper: Examine the rear wiper switch itself. Is it loose, sticking, or showing signs of damage? Try wiggling it gently while someone observes if the wiper operates.

* Rear Defroster: Check the rear defroster switch (usually a button). The same applies; is it damaged or loose?

* Air Conditioner: The AC system is more complex. Check the AC switch (often a button or dial). If there's a separate blower speed control, check that too.

3. Check Wiring and Connections: This is more involved and requires some electrical knowledge. You'll need to trace the wiring harness from the switches to the components (wiper motor, defroster grid, AC compressor). Look for broken, corroded, or loose wires.

4. Climate Control Module (for AC issues): If you're having significant issues with the air conditioning (no cold air, inconsistent operation), the climate control module (located within the dash) might be faulty. These are often difficult and expensive to replace, best left to a qualified mechanic.

5. Consult the Owner's Manual: Your 1999 Caravan's owner's manual will show you the location of fuses and provide diagrams for the electrical systems.

Important Considerations:

* Safety First: Disconnect the negative battery terminal before working on any electrical components.

* Professional Help: If you're not comfortable working with automotive electrical systems, it's best to consult a qualified mechanic. Troubleshooting electrical issues can be challenging and potentially dangerous if not done correctly.

There's no "reset" procedure as such. The problem lies in a specific component, not a need to reset a digital system like in modern vehicles. Systematic checking of the fuses, switches, and wiring is the key to solving the issue.