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Jul 13, 2026

How to install RG - 179 in a vehicle's electrical system?

Hey there! As a supplier of RG - 179 high - temperature coaxial cable, I'm stoked to walk you through the process of installing RG - 179 in a vehicle's electrical system. This cable is super handy and reliable for various vehicle applications, offering stable performance even under high - temperature conditions.

Why Choose RG - 179 for Your Vehicle?

Before we dive into the installation process, let's quickly talk about why RG - 179 is a great pick for your vehicle. The RG179 High Temperature Coaxial Cable is designed to withstand high temperatures, which is a must in a vehicle engine compartment where things can get pretty toasty. It also has good shielding properties, minimizing signal interference and ensuring that your vehicle's electronic systems work smoothly. Whether it's for an audio system, GPS, or other electronic parts, RG - 179 won't let you down.

Preparation

First things first, you need to gather all the necessary tools and materials. You'll need a sharp utility knife, a pair of wire strippers, a soldering iron with solder, electrical tape, and of course, the RG - 179 cable itself. Make sure to measure the length of cable you'll need in advance. You don't want to end up with too little or too much cable.

It's also crucial to ensure your vehicle is turned off and the battery is disconnected. This is a safety measure to prevent any electrical shocks or short - circuits during the installation process. Safety always comes first!

Step 1: Planning the Route

The first real step of installation is to plan the route for the RG - 179 cable. Look for areas in the vehicle where the cable can be safely routed without being pinched, rubbed against sharp edges, or exposed to excessive heat or moisture. In most cases, you can follow the existing wiring harnesses in the vehicle. This will make the installation neater and reduce the risk of damage to the cable.

Avoid running the cable near moving parts like fans or belts, as these can cut or damage the cable over time. Also, keep the cable away from the exhaust system and other high - heat sources. If there are any areas where the cable needs to pass through a metal panel, use a wire grommet to protect the cable from the sharp edges.

Step 2: Preparing the Cable

Once you've planned the route, it's time to prepare the RG - 179 cable. Use the utility knife to carefully cut the cable to the appropriate length. Make sure the cut is clean and straight. Then, use the wire strippers to remove about half an inch to an inch of the outer insulation from both ends of the cable. Be careful not to damage the inner conductor or the shielding while stripping.

Next, expose a small amount of the inner conductor by carefully removing the dielectric layer around it. This will be used for making the electrical connections later on.

Step 3: Making Connections

Now, it's time to make the electrical connections. If you're connecting the RG - 179 cable to a device, like a radio or a GPS unit, you'll need to attach the appropriate connectors. There are different types of connectors available, such as BNC or SMA connectors.

RG179 High Temperature Coaxial Cable

To attach the connectors, first, slide the connector onto the cable. Then, solder the inner conductor of the cable to the center pin of the connector. Make sure the connection is strong and there are no loose wires. After soldering the inner conductor, fold the shielding of the cable over the outer part of the connector and solder it in place. This will ensure good electrical grounding and reduce signal interference.

If you're connecting the cable to another wire in the vehicle's electrical system, you can use a wire splice connector or solder the wires together. Wrap the connection with electrical tape to insulate it and prevent any short - circuits.

Step 4: Securing the Cable

Once all the connections are made, it's time to secure the cable in place. Use cable ties or clips to fasten the cable along the planned route. Make sure the cable is held securely but not too tightly, as this could damage the cable.

Check the cable for any signs of rubbing or interference. If you find any areas where the cable might be at risk, use additional padding or move the cable slightly to avoid the problem.

Step 5: Testing the Installation

After the cable is installed and secured, it's time to test the system. Reconnect the vehicle's battery and turn on the vehicle. Check the device that you connected the RG - 179 cable to, such as a radio or a GPS. If everything is working properly, you should see a stable signal and normal operation.

If there are any issues, such as a weak signal or no signal at all, double - check your connections. Make sure the solder joints are strong and the shielding is properly grounded. You might also want to check for any signs of cable damage.

Other Coaxial Cables Considerations

While RG - 179 is a great choice for many vehicle applications, you might also want to consider other high - temperature coaxial cables depending on your specific needs. For instance, the RG142 High Temperature Coaxial Cable is another option that offers high - performance characteristics. It has a different impedance and shielding design compared to RG - 179, which might be more suitable for some applications.

The SFF Series High Temperature Coaxial Cable is also worth checking out. It's known for its small size and flexibility, making it a great choice for tight spaces in a vehicle.

Conclusion

Installing RG - 179 in a vehicle's electrical system isn't too difficult as long as you follow the steps carefully. Remember to take safety precautions, plan the route properly, make good electrical connections, and secure the cable well. And don't forget to test the system after installation to ensure everything is working as it should.

If you're interested in purchasing RG - 179 or other high - temperature coaxial cables for your vehicle or other applications, we'd love to talk to you. Reach out to us for more information on product specifications, pricing, and availability. We're here to help you find the best cable solutions for your needs!

References

  • Electrical Wiring Handbook for Vehicles
  • Coaxial Cable Installation Guides
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