Below is a new tech tip submitted by Michael "Gibsonflatpicker"Groves. Please review and comment as may be needed.
Removing a headlight switch is such a minor thing right? This is true if you're an experience Bolter, but to a noob, it's not exactly intuitive. There's a little secret that once you figure it out, makes you say "Duh, that wasn't so hard."
For those of you who have been scratching your head and still haven't discovered how it's done, here's the scoop. This approach is used on virtually all cars and trucks utilizing the pull type of headlight switch.
First, as anytime you're doing electrical work, disconnect the battery. On many of the old switches the connectors are not insulated and shorting one out can mean burning insulation, sparks and in worst case scenarios, you could inadvertently set your vehicle afire.
Now reach under the dash and feel the underside of the switch (the side opposite the connectors) and find the small button shown in the picture. Then pull the headlight switch to the on position. Once it's in the on position, depress the button and you can now remove the knob and stem by pulling it out of the switch.
Picture Once the the knob and stem has been removed, you can unscrew the threaded bezel and then the switch will be free and can be easily removed.
Picture When reinstalling the switch, the knob and stem should slide right in. If not, simply depress the button while gently pushing the knob in and you're done.