Testing / Replacing Ignition Switch

[Zilverado]

Hi Guys,

I did a search for information on this, but too much dealt with the actual key cylinder and not the switch.

I continue to have issues with no power to the starter solenoid wire when I try to start the truck. I found a fusible link, but it has contunuity. I suspect the igntion switch may be at fault. What's the simpest way of accessing this switch? I understand it is mounted under the dash, on the steering column (mine's a tilt), but I can't seem to locate it.

Does anyone have any photos or step-by-step of this procedure? And how do I go about sesting the switch?

Thanks.