Probably, the original flasher in the tow vehicle is not designed to carry the load of the extra lights on the trailer.
Nope, LED's actually use less power than lightbulbs, therefore the stock flasher switch will work perfectly.
what education do I need to become a heavy duty mechanic
More than could possibly be given here. First you need to decide what you will be doing with it: light duty (quarter ton), standard duty (half ton), heavy duty (one ton), etc. If you will be towing a trailer with it and the weight of that trailer. Many other factors will affect your selection. Most vehicle manufacturers offer various models of pickup trucks.
You'll need a truck that's heavy enough to pull the trailer, equipped with a trailer ball hitch to attach the trailer. You also need to make sure the horse trailer has operating turn signal and brake lights.
Tools and stuff
for towing and heavy-duty use.
A small single axle trailer does not need brakes but be aware that your vehicle will have to stop the vehicle plus the trailer, so allow more stopping distance. A double axle trailer needs trailer brakes if you are carrying a heavy load of any kind at all.
The benefits of a heavy duty shredder is that a larger number of pages can be shredded, no need to worry about staples or paper clips in documents, and thicker cardboard can be shredded with ease.
No they do not. We use a small trailer with smallt ires behind our car and it does fine. It would be a good idea if you tow a lot of heavy things however.
In a 2008 Ford F-350 Super Duty, the signal flasher is typically located in the fuse panel. The fuse panel is found under the dashboard on the driver's side, near the steering column. You may need to remove a cover to access it, and the flasher relay is usually marked in the fuse panel diagram. Always refer to the vehicle's owner manual for specific details and diagrams.
To cut a heavy duty cable you can use a tool made by Klein tools called a Ratchet Cable Cutter (10 inch). This tool is sold at Graingers and cost about 326.00.
If the Gross Vehicle Weight Rating of the trailer doesn't bring the Gross Combined Weight Rating of the entire combination in excess of 26,000 lbs, you don't need a CDL for it.