Get as much as you can at a place such as GM Parts Direct
You will probably come out better price wise.
The factory switch is the way to go, keep it simple, fuse your hot wires, use a relay, pick a wire that is only hot when the key is on.
You might visit the dealers parts dept for anything that will help like connectors and wire pig tails.
See link below for the factory switch.
the factory switch is the way to go other than it’s a momentary switch not an off/on switch you’d have to make up some circuitry to make that trigger and KEEP ON a relay like an on/off switch would this is normally done by the back, but since the factory harness isn’t wired for the switch on an ls or lt, i doubt its possible to use the bcm
so appearance wise, yes it’s the way to go but not for functionality
if i could figure that out id have them on my car already but i refuse to drill holes and add an aftermarket switch... i just don’t prefer how that looks
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