RXC2D: How To Set Up, Wire & Install

Introduction:
This article will guide you step-by-step on how to install a Rockville stiffening capacitor to improve your car’s audio system. Adding a capacitor can eliminate issues like dimming headlights or slow windshield wipers when your bass hits hard, ensuring a smoother, more powerful audio experience. The steps are simple and easy to follow, even for those without technical experience. Before you begin, you will need a few tools and parts:

• Rockville stiffening capacitor
• Hex wrench
• Stainless steel screws
• Ring terminals (for positive and ground wires)
• Bleed resistor
• Power and ground wires (8 or 4 gauge recommended)

Step-by-Step Instructions:

1. Understanding the Capacitor's Function

• A capacitor acts as an extra storage tank for your car audio system’s power.
• It charges and discharges electrical current much faster than a battery, providing the extra juice needed when your system draws maximum power, especially during intense bass notes.
• The Rockville RXC2D capacitor is designed for electrical systems rated at 12 volts and can handle surges up to 24 volts.

2. Gather the Required Accessories

The Rockville RXC2D comes with the following:

• Hex wrench for tightening the capacitor’s terminals
• Four stainless steel screws for mounting the Lucite bracket assembly
• Two ring terminals (one for positive and one for ground)
• A bleed resistor for safely charging the capacitor

3. Initial Setup

• Before powering up the capacitor, attach the bleed resistor in series with the positive terminal of the capacitor.
• The resistor ensures the capacitor charges safely during its initial power-up. Wait for about 10 seconds to allow the capacitor to charge.

4. Create Power and Ground Wires

• Use 8 or 4 gauge wire for the best results.
• Attach the ring terminals: red for the positive wire and black for the ground wire. Ensure the wires are well-insulated (black rubber jacket for ground, red for positive).

5. Connect the Capacitor

• Use the hex wrench to open the terminals on the capacitor.
• Attach the red (positive) ring terminal to the positive terminal of the capacitor and the black (negative) ring terminal to the negative terminal.
• Now connect the positive lead from the capacitor to the positive terminal of your car’s audio amplifier.
• Connect the negative lead from the capacitor to a suitable ground point in your car.

6. Power Up Your System

• Once everything is connected, power up your system. The voltage on the capacitor will begin to rise, and the LED meter on the RXC2D will display the voltage from your car’s electrical system.
• The blue LEDs will light up and change as the voltage fluctuates, indicating the power levels, much like a power meter.

7. System Compatibility

• The RXC2D is ideal for audio systems up to 1000 watts.
• If you have a larger system, you might need the Rockville RXC4D, which is rated for systems larger than 1000 watts and offers four farads of capacitance.

Troubleshooting & FAQs:

• Q: My headlights are still dimming when the bass hits hard.
  • A: Double-check the capacitor connections. Ensure that the power and ground wires are properly attached and securely connected to your amplifier and car’s ground.
• Q: How do I know if the capacitor is charging properly?
  • A: The LED meter on the RXC2D will show the voltage levels. If the LEDs aren’t lighting up or there is no change in the voltage, check the wiring connections, especially the positive and ground terminals.
• Q: Can I use this capacitor for other types of audio systems?
  • A: The RXC2D is designed for car audio systems up to 1000 watts. For systems that require more power, consider upgrading to the RXC4D.

Conclusion:
Adding a stiffening capacitor like the Rockville RXC2D can drastically improve your car’s sound quality, eliminate electrical issues like dimming lights, and enhance your overall audio experience. Follow the steps carefully, and you'll be on your way to better sound performance.