Maybe this is a dumb question but why are there 2 inputs and 1 output?

1 input is from the towed vehicle, the other is from the towing vehicle. The output is to the light on the towed vehicle

How much does the voltage drop from the input to the output side of this diode?

Not measured, but this type of diode typically drops 0.7V.

I have light bars on my rack and pods in my bumper for reversing can I use this to turn on all my lights but still only use the pods when I backup

I really have no idea. You must consider just what the diodes do and figure it out yourself. Each diode has 2 wires in and one out. The outgoing wire goes to a vehicle light. The incoming wires: 1) to the ‘normal’ source 2) to a new or secondary source. The purpose of the diode is to prevent backfeed between the 2 sources. Now with that in mind, can you answer your own question?

Can this be used to run a led tow mirror light. For a turn signal/marker light? So the same led light can be used as a turn signal and marker light

These items only let power run one direction. If you had your tail lights on and also tried to use the bulb as at turn signal there would be no flash as the light would already be on steady for the tail light. Hope this helps.

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792 Hy-Power Diode, (Pack of 2)

Product ID: 14291358

⚡High-efficiency power flow

🔧Compact, easy installation

🇺🇸Proudly made in USA

51453CFA

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Description

⚡ Power up your ride with Roadmaster’s Hy-Power edge!

DUAL PACK VALUE - Two diodes included to upgrade multiple vehicles or keep a spare on hand.
MADE IN THE USA - Crafted domestically for superior quality and durability you can trust.
PRECISION ENGINEERED - Roadmaster’s trusted model 792 guarantees consistent performance every time.
LIGHTWEIGHT COMPACT - Sleek design fits effortlessly into your setup without adding bulk.
BOOST YOUR TOWING POWER - Hy-Power diode ensures seamless electrical flow for reliable trailer braking.

The Roadmaster 792 Hy-Power Diode pack of 2 offers high-efficiency electrical flow for trailer braking systems, featuring a compact, lightweight design and proudly manufactured in the USA to ensure premium quality and reliability.

Specifications

Manufacturer	Roadmaster
Brand	Roadmaster
Model	Roadmaster 792 Hy-Power Diode, (Pack of 2)
Item Weight	2.4 ounces
Product Dimensions	6 x 4.9 x 0.2 inches
Country of Origin	USA
Item model number	792
Manufacturer Part Number	792
OEM Part Number	792

Reviews

A**G

Perfect!

Was able to run the power input from the car and power from the fuse box to the parking light wire on my headlights to serve as a DRL without messing up the computer. 10/10

20.02.2025

I**S

Works as it should!

I used this to power some lighting inside of my rocksliders. I wanted them to be powered by a switch and by opening the door. This works great! No feedback between the two incoming lines.

13.01.2025

K**R

Worked perfectly

Worked exactly as intended. Didn’t use the sticky pads that were on the back of the diodes. Only gripe, too expensive. The clamped metal has stayed in place very well, very intuitive.Used this on aftermarket headlights for 2012 Mustang, worked like a charm

19.07.2024

F**N

worked as advertised

Worked as advertised

7.10.2024

R**B

Perfect dual use reverse and work lights

Easy to install and takes a beating

28.06.2024

J**Y

They work great

They did what they were supposed to do

16.06.2024

S**M

Great addition for lights!

These work great when you want to add rear lights. It helps the process of having the added lights work in reverse and on a separate switch so you can use them on the fly! So easy to install!

11.07.2023

R**G

Great product

I used these to correct a high-beam issue that I was having with some headlights I purchased. The units are well made and have been working flawlessly on a daily basis for a few months now.

19.08.2023

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