Step 1: Buy supplies shown below if you want to convert chrome to satin black. If you want flat black, go out and buy that instead (I recommend flat black but it's very hard to find in Krylon Fusion).
Step 2: Buy a plastic Dropcloth from Dollar Store for a buck and cover the entire side of truck. Then, cut out a piece of plastic so the handles are exposed through plastic.
Step 3: Using playing cards, insert them between the handle and actual door. For the most part, you should be able to wedge them in there. For the areas where you can't wedge them in there, just tape them in place. The cards serve as excellent protectors against paint on the actual door itself.
Step 4: Sand down the area to be painted using 320 sandpaper.
Step 5: Next, get a wet paper towel and wipe down the area well to remove all the sand filings and any loose dirt and grime.
Step 6: Shake can of paint for a minute and apply first coat being sure to start well off the door handle and ending well off the door handle. DO NOT douse the handle with the first coat. Even if the first coat appears very very light, that is OK. TRUST ME ON THIS ONE BECAUSE I SCREWED UP ON ONE DOOR HANDLE since I put a heavy coat on with the first coat. REMEMBER: put on LIGHT coats and you will need to put on 6-10 coats. I read somewhere that I needed about 3 coats of black paint. This was the mistake I made on the handle that I ended up screwing up. On all the other handles, I did a good 7-8 light coats, and the results were BEAUTIFUL.
Step 7: That's pretty much it. Be careful removing the playing cards and plastic dropcloth as the newly painted surface is fragile for the next 7 days while the paint cures and bonds to the plastic door handles. I drove 3 hours on the highway at 70mph that same day that I finished these handles and thankfully didn't have any rocks fly up and chip away the paint.
What I would do differently if I could go back in time or what I would recommend to you all:
*I would definitely put on 7-8 quick light coats instead of 3-4 medium coats. TRUST ME ON THAT ONE.
*I also would have used a paint thinner, mineral spirits, or some other chemical that would remove all the hidden grease and grime (per Harper's recommendation). This is because, on the one handle that I screwed up, I think I unsuspectingly left some of my finger oils on the handle and so the paint didn't stick well and then started chipping and cracking within 20min of paint application. Because of this, I now have to find a free day to sand that one handle down completely and re-do that handle.
*I would use the Krylon Fusion Flat Black instead of the Satin Black. IMO, it just looks a LOT better (not that the satin black looks bad). I painted the front toyo logo and horizontal piece in satin black and will prolly repaint it to flat black.
*Wear a mask. I did not wear one. Instead I relied on holding my breath for 30 sec each time I went in to the garage to apply a coat. This stuff can irritate your throat pretty bad.
*I would do the painting indoors where you do NOT have a breeze going. This is because you don't want a breeze to blow dust and lint onto the freshly painted and wet surface.
I'm not done yet. I still have the rear '4RUNNER' logo, chrome strips, and fog light surrounds to do but here is a pic of the final product so far which I like MUCH better than with the chrome accents: