Quick Answer
Mount a solar-powered wireless camera on top of your Gladiator topper for best visibility over the bike rack. Use a digital system with 150ft+ range for reliable signal through your 38ft motorhome.
Tools & Parts Needed
Bottom Line Up Front
Your wireless backup camera setup should work well, Glenn. Mounting the camera on top of your Gladiator's fiberglass shell topper is actually an excellent location choice. The signal will only need to pass through the fiberglass rear cap of your 38' motorhome, which is much less problematic than metal construction. Fiberglass construction typically has better RF transparency than metal, though this varies depending on the specific construction and resin type, so your wireless signal should transmit effectively. The main challenges you'll face are ensuring proper weatherproofing of the camera mount on the shell and managing power supply to the camera, but these are definitely solvable issues for a setup like yours.
Root Causes
Wireless backup camera failures typically occur due to signal interference from metal construction, but your setup minimizes this risk. The fiberglass shell on your Gladiator and the fiberglass rear cap on your motorhome won't block radio signals like aluminum or steel would. However, potential issues could arise from distance limitations - with a 38' motorhome plus the length of your Gladiator and bike rack, you're looking at roughly 60+ feet of transmission distance.
Weather exposure is another concern since you're mounting on top of the shell. Rain, snow, and temperature extremes can affect both the camera housing and the wireless transmission quality. Additionally, vibration from road travel could potentially loosen mounting hardware or affect the camera's alignment over time.
Power supply challenges are common with rear-mounted cameras on towed vehicles. You'll need either a robust battery system in the camera or find a way to tap into your Gladiator's electrical system, which becomes more complex when mounting on top of the shell rather than at bumper level.
Before You Start
Choose a high-quality wireless backup camera system rated for RV use, preferably one with a range of at least 100 feet to provide margin for your setup. Look for systems operating on appropriate frequencies for your range needs - 2.4GHz and 5.8GHz systems are commonly used for backup cameras, with performance varying based on interference levels in your area. Budget around $150-300 for a quality wireless system with weatherproof housing.
Measure the exact distances involved in your setup. From your camera location on the Gladiator's shell to the monitor position in your motorhome's dash, you're probably looking at 55-65 feet of transmission distance depending on your specific motorhome length and where you position the monitor.
Plan your power supply strategy before installation. You have three main options: a solar-rechargeable camera system, tapping into your Gladiator's reverse light circuit, or running a dedicated power wire from the Gladiator's electrical system to the shell top. The reverse light option provides power when needed, though some wireless cameras require constant power to maintain connection - check your specific camera's requirements.
Consider the mounting location carefully on your shell. You want the camera high enough for a clear view over your bike rack but positioned where it won't create excessive wind resistance or get damaged by low-hanging branches. The center-rear position you're considering is ideal for visibility.
The Repair Process
Start by installing the monitor in your motorhome dash, following the manufacturer's instructions for power connections to your 12V system. Disconnect the battery negative terminal before making any electrical connections. After completing the electrical connections and reconnecting the battery, test the monitor's operation before proceeding with the camera installation. Position it where you can easily see it while backing up but where it won't obstruct your normal driving view.
For the camera installation on your Gladiator's shell, drill pilot holes carefully through the fiberglass using a sharp drill bit designed for composite materials. Use marine-grade sealant around all mounting points to prevent water intrusion. Consider using a removable mount if you ever need to take the shell off the truck.
Run your power wire from the camera location to your chosen power source. If using the reverse light circuit, you'll need to tap into the wiring near the rear of the Gladiator and route the wire up to the shell top. Use automotive-grade wire rated for outdoor use and secure it properly to prevent chafing or damage during travel.
Test the system thoroughly before your first trip. Check signal quality at various distances and positions, ensure the camera angle gives you the view you need of your bike rack and surrounding area, and verify that weather sealing is adequate. Make any adjustments to camera position or monitor settings during this testing phase.
Professional Help Needed
Consider having a professional RV technician handle the installation if you're not comfortable working with your motorhome's electrical system or drilling into the fiberglass shell. The electrical connections in particular require knowledge of 12V systems and proper wire routing techniques. A professional installation typically costs $200-400 in labor but ensures proper weatherproofing and electrical connections.
If you experience signal interference or range issues after installation, an RV electronics specialist can help optimize your system. They may recommend upgrading to a more powerful transmitter, repositioning components, or adding signal boosters to improve performance in your specific setup.
Help us improve this article by flagging technical issues or inaccuracies.
Was this guide helpful?
Need More Help?
Try our free RV calculators and tools to help diagnose and plan your repairs.
Browse RV ToolsWeight calculator, electrical planner, propane estimator & more