Are you planning to install a 7018B radio in your car? Here is everything you need to know about the wiring diagram and installation process. The 7018B radio comes with a user-friendly interface and supports Bluetooth connectivity, USB, TF card, AUX, and FM radio. The wiring diagram will help you connect wires, speakers, and the power source to make your radio work correctly.
Before You Begin
Before you start the installation, make sure you have the following tools and accessories:
| Tools | Accessories |
|---|---|
| Screwdriver | 7018B radio |
| Wire cutters | Radio harness adapter |
| Wire stripper | Antenna adapter |
| Electrical tape | Speaker wire |
| Crimp connectors | Fuse holder |
Once you have all the tools and accessories ready, follow the wiring diagram below to install your 7018B radio.
Wiring Diagram
The wiring diagram shows how to connect the wires to your car’s electrical system and the radio’s harness. Follow the instructions carefully to avoid damaging your radio or car’s electrical system.
| Wire Color | Description |
|---|---|
| Yellow | Battery |
| Red | Accessory |
| Blue | Amplifier remote |
| Black | Ground |
| Orange | Illumination |
| White | Left front speaker positive |
| White with black stripe | Left front speaker negative |
| Gray | Right front speaker positive |
| Gray with black stripe | Right front speaker negative |
| Green | Left rear speaker positive |
| Green with black stripe | Left rear speaker negative |
| Purple | Right rear speaker positive |
| Purple with black stripe | Right rear speaker negative |
The wiring diagram shows the most common wire colors, but they may vary depending on your car’s make and model. Check the car’s manual for specific wire colors and their functions.
Power Connection
The power connection is the most critical part of the wiring diagram. Incorrect wiring can damage your radio or car’s electrical system. Follow these steps to connect the power wires:
- Disconnect the car’s battery to avoid electrical shock and damage to your radio or car’s electrical system.
- Connect the yellow wire to the car’s battery positive terminal.
- Connect the red wire to the car’s accessory wire. The accessory wire powers the radio only when the ignition is on.
- Connect the black wire to the car’s ground. Find a metal surface near the radio and scrape off any paint or rust to ensure a good ground connection.
- Connect the orange wire to the car’s illumination wire. The illumination wire powers the radio’s display lights when the headlights are on.
- Reconnect the car’s battery and turn on the ignition to test the radio’s power.
Speaker Connection
The speaker connection is relatively easy and requires only four wires. However, connecting the speakers out of phase or using the wrong wire polarity can affect the sound quality. Follow these steps to connect the speakers:
- Identify the speaker wires by colors or labels.
- Connect the white wire to the left front speaker positive terminal.
- Connect the white with black stripe wire to the left front speaker negative terminal.
- Connect the gray wire to the right front speaker positive terminal.
- Connect the gray with black stripe wire to the right front speaker negative terminal.
- Repeat the same process for the left and right rear speakers using the green and purple wires.
- Test the speakers by playing music or audio tracks from your radio.
Other Connections
The blue wire is for the amplifiers remote turn-on. If you don’t have an amplifier, leave this wire unconnected. The USB, TF card, AUX, and FM radio connections are straightforward and plug-and-play. Follow the user manual for specific instructions on how to use each feature.
FAQ
How do I connect the 7018B radio to my car’s electrical system?
You need to connect the power, ground, accessory, and illumination wires to the car’s electrical system. Follow the wiring diagram and instructions carefully to avoid damage to the radio or car’s electrical system.
How do I connect the 7018B radio’s speakers?
You need to connect the left and right front and rear speakers using the white, white with black stripe, gray, gray with black stripe, green, and purple wires. Follow the wiring diagram and instructions carefully to ensure proper polarity and phase.
Do I need an amplifier for the 7018B radio?
No, the 7018B radio has an internal amplifier that can power most car speakers. However, if you want to add more power and sound quality, you can connect an external amplifier using the blue wire.
How do I use the USB, TF card, AUX, and FM radio features?
Follow the user manual for specific instructions on how to use each feature. Generally, you need to plug in the USB or TF card to play music or audio files, connect the AUX cable to an external source, and tune in to FM radio stations using the radio tuner.
Now that you know how to install the 7018B radio, you can enjoy your favorite music, podcasts, and radio shows while driving. Follow the instructions carefully and enjoy your new radio.
