There is some information on clocksprings that I've found searching the site, but the only replacement "how to" was a link connecting you to a replacement on an older Tacoma. Here's the process I followed on my 2005 (without cruise control).
I replaced it because my airbag light was on. After having it diagnosed by a local garage (half the cost of dealer diagnostic), I ordered the clockspring on-line because it's only a dealer part (used www.toyotapartscheap.com). By ordering on-line and doing the install myself, I saved $250.
**Disclaimer: This isn't a difficult job, but it involves removing the airbag, therefore, there is some potential danger to body and wallet! I AM NOT A TRAINED MECHANIC, SO DO THIS AT YOUR OWN RISK.
1.10 mm wrench or socket
3.Small flatblade screwdriver
5.19mm Socket with 3 inch extension
6.Steering wheel puller
Here we go:
1. Disconnect both battery terminals with 10mm wrench or socket and locate the leads where they cannot possibly come in contact with the battery or ground. This is to be sure there is no power to the truck. Now go mow the lawn or whatever to give the juice time to "drain" from the truck.
2. With a small flat blade, remove the cover on either side of the steering wheel to expose the T-30 Torx screw that holds the airbag in place.
3. Disconnect the black wire with the white connector and the black and orange leads going into the airbag. Get a thin flathead under the yellow tabs on the connectors and pry up on the tab, and then just pull the connector straight out.
4. Set airbag aside where it won't be disturbed.
5. Remove steering wheel nut with 19mm socket with 3inch extension. Once it's removed, mark the steering wheel and spindle with a Sharpie to be sure you'll reallign it correctly when reinstalling. I marked at 12 and 3 o'clock on mine.
6. Install your wheel puller. Be sure your bolts are the correct size so you do not strip the threads in the wheel. Remove steering wheel.
7. Once wheel is removed remove the 2 philips head screws on either side and remove the plastic trim pieces. I had to mess with them a bit, but they will come out. Just be sure not to muscle too much so you don't break any of the tabs that hold them together.
8. Remove 2 connectors on the bottom of the clockspring. One is black and one is yellow.
9. Remove clockspring by disconnecting 3 plastic tabs. One on the top, and 1 on either side. Here's the top view. Note dog hair gets into your entire truck. Set clockspring aside for later dissection!
10. Install new clockspring. It's already centered via the orange tab that keeps it from spinning. You'll snap this off later. In the picture you'll see I have black electrical tape keeping mine centered because I broke off the tab when messing with it when I took it out of the box. Reinstall your plastic trim once CS is inplace.
11. Pull your orange tab off freeing up the clockspring to spin, but keep it centered. Reinstall your steering wheel with wires feeding through the top. Line up wheel to the marks you made on the spindle. Tighten 19 mm nut.
12. Connect orange and black to the airbag, and don't forget the other black wire. Once they are connected, put airbag back in place and tighten your Torx on either side of the steering wheel. Replace the covers for the Torx.
13. Reconnect your battery and start truck to be sure your airbag light is now off. Test horn.
Took me 1 hour 15 mins including time to take these pictures and write down notes.