My driver side power lock is not working to open the doors on my 02 yukon. on 2002 GMC Yukon

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But when i use the remote keyless entry it works to open all the doors, what gives? Truck has 169000 miles. Also my outside mirrors are power, but they arent working, help!!
(2) Answers
(1) Comments
check for power going to the door lock switch,also check for broken wire in between the door and the body ,you will to cut the rubber boot to see the wires
checked for cut wires, nothing found. Any idea which one the power wire is? Thanks for the response....
could have a bad switch or bad fuse, if keyless entry is working may not be a fuse though - check wires to switch, if they are ok you may have to replace the switch assy - for best price 98% of the time