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These smart diodes ensure your RV's brake and turn signals display correctly on your car's multiplex incandescent tail lights. Prevents damage from electrical feedback. Includes 2 diodes.
Features:
Note: If you need a complete kit with wiring and installation supplies included, pick up RO94FR (sold separately) instead.
A variable voltage tail light (also known as multiplex) uses the same wire for both the brake light and the tail light, sending a 12-volt signal to the brake light and a 9-volt signal to the tail light. This works fine when you're driving, but when you are flat towing, the RV will send a 12-volt signal to both the brake light and tail light, making them the same level of brightness and impossible to distinguish from each other. The drivers behind you won't be able to tell the difference between your tail lights and your brake lights, which is a huge safety issue.
These smart diodes solve that problem by simply converting the signal from the RV to the lower voltage needed for your car's tail lights. They install permanently, but don't worry; everything will work as normal when you're not flat towing.
This kit is designed to work with incandescent lights only, so if you have LED variable voltage lights, you'll need kit RO54FR (sold separately) instead.
California residents: click here
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