It is suggested that you do some research before you have an emergency if you will be looking for parts. Research some sites and find a few that are appealing. Then try looking for sample parts that you might need in the near future or pretend to need them and see if you can find them. This will give you an idea of what you can find on the site.
While spurious are a great option, there is a better one. Take a visit to your local auto salvage yard. Getting parts here could not be easier. Most of the times they are available of the shelf for the more common auto models, if not you can either search the wrecking yard yourself or an employee will retrieve the part that you require.
Scope out some car shows in your area or neighboring cities in order to meet other car lovers, and discover potential vehicle sales. There are a lot of informed people that may know of a good classic car being sold. Asking around lets others know what you are looking for so speak to people and get to know local car enthusiasts. A connection can always come in useful later.
Before you remove the bed, either off of a truck at the junkyard that's open today or off of your personal truck, there are a few things you need to do first. Unbolt the gas cap and line first. Almost every truck has the fuel access running into the bed of the truck, so that is where you typically start first. After that, you need to remove the grounding strap that goes from the cab of the truck to the bed. Both of these items are easy to remove. As well, you need to disconnect the light from the back of the truck bed. The lights should have some quick disconnect places so that they can be disconnected with little effort.
For the copper yoke the disassembly is very easy. There is an iron ferrite collar that can be pried off and then thrown in with your scrap steel and iron. From there the plastic that holds it all together can be broken apart and you wind up with a pile of clean #2 copper that is ready for the scrap yard.
And do not worry about the time, you can simply find out if the parts are available online. There are a number of websites who offer import auto salvage car parts services. They will either put you in touch with the best salvage suppliers or you could either check if they have the car parts themselves. junkyards near me is easy and only takes a few minutes.