Hi,
Replacing the headlamp switch on the truck is simple. The hard part is getting to it. Regardless, if you take your time, you'll be fine.
Here is a link you may find of interest. It discusses in general how the headlamp switch works.
https://www.2carpros.com/articles/how-a-headlight-switch-works
If you look at the attachments below, they provide the directions specific to your vehicle for the replacement of the switch.
I hope this helps. Let me know if you have other questions.
Take care,
Joe
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Tuesday, June 1st, 2021 AT 8:39 PM