There are checklists for everything! Here is just one search for "checklist". If you try searching for other types of checklists, "tool checklist" or "departure checklist" you will find many more. Open up the "images" section of this Google search and the pictures might focus on what you are looking for.
The best checklist is one you make yourself. Think about the steps to take to get ready for a trip, to set up camp, to break down camp, what items you need while on a trip and so on. Print it out and take it with you. During the trip, modify it as you think of things you forgot or didn't think of or things you brought and realize you won't need.
I agree with @falcon1970. One of the linked lists are a good starting point, but for us it's a work in progress. We've constantly updated our list (add and remove) as experience dictates.
Stockton, New Jersey 2020 nuCamp T@B 320S * Jeep Wrangler
We also have a packing check list that gets amended regularly. Once an item is on the list it pretty much stays on the list. We would rather check it off as considered again and again rather not have the item when we need it. A poor simple example is our portable solar. It is obviously not needed on a weekend trip to a nearby state park with hookups but needs to go on extended trips with unknown overnights. For us the best time to amend the list is while camping, wish we had it, and when we are unpacking, why did we take it?
Jupiter, Florida~T@B 400, with 2018 Toyota 4Runner
To get you started here is my checklist. You will want to modify it to suit your needs. My aviation background comes through strongly. Note it is in MS Word
In place of an interior departure checklist for our 2021 400, I created a countdown number: 874321. It goes like this:
8 punch-in latches in trailer - all engaged so that drawers and doors don’t come open
7 windows in trailer (including narrow door window) - all shades down and latches engaged
4 service systems in trailer - Alde, Dometic, water pump, and Jensen media center all turned off
3 faucets in trailer - kitchen sink, bathroom sink, and shower all in off position
2 fans in trailer - main fan and bathroom fan both off and vents closed
1 microwave in trailer - hot pad or towel placed underneath platter and door closed
I remember this number and run through the countdown before I exit and lock up the trailer. For some reason this works better for me than a written checklist - I guess I tend to glaze over reading a list.
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2020 nuCamp T@B 320S * Jeep Wrangler
Here's my procedure list: departure/arrival checklist
2013 CS-S us@gi
2015 Toyota Tacoma PreRunner Double Cab
8 punch-in latches in trailer - all engaged so that drawers and doors don’t come open
7 windows in trailer (including narrow door window) - all shades down and latches engaged
4 service systems in trailer - Alde, Dometic, water pump, and Jensen media center all turned off
3 faucets in trailer - kitchen sink, bathroom sink, and shower all in off position
2 fans in trailer - main fan and bathroom fan both off and vents closed
1 microwave in trailer - hot pad or towel placed underneath platter and door closed
I remember this number and run through the countdown before I exit and lock up the trailer. For some reason this works better for me than a written checklist - I guess I tend to glaze over reading a list.