Automatic door locks not working

[texasmike]

My door locks have been working sporadically for the last 3-4 weeks and then, they completely stopped. I pulled off the drivers side door panel and there is no power going to the switch. I checked the 30amp accessory fuse and it's good. The black tape around the wires is a little frayed where it goes into the door but nothing is worn thru. What should I look for next? I haven't inspected the passenger side door setup and don't know what to try next. Electrical is one of my many weak points.

 

[goldpack]

if you try looking at the factory service manuals on charm.li

there maybe a troubleshooting list you can print off and check off as you pick through it.

such may yield a list of methodical priorities in an order that could save you some time and money. (like fix this wire, before buying a switch / part/ fuse....hope you don't need a regulator....but such things also fail,

anything looking green from being 40 plus years old?....

I live where things are rusted/ corroded in a sea of dampnees and salted sand.
I replaced one on a 2002 after trying the switch first. ...returned the switch as the GM mexico original felt better than the new dorman chinese. (did not look in a manual,...at the time just needlessly trying parts cheaper first).