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In a Haynes Manual. Used ones are often cheap on Amazon.
If the power door locks quit working on a 1979 Corvette, it is due to broken pigtail switches. With age and use, the pigtails break and leaves the power door locks inoperable.
Clean corrosion off contacts with fine steel woll, sandpaper, etc.
take flat bar slide under door cover pull out try to get where it has holeder that keep it on
The power door locks on a Dodge Caravan can stop working if the fuse is bad. Check the power door lock relay fuse that is located in the engine compartment on most Dodge Caravans. It should be next to the battery.
Power window module (amplifier) is not working. It is located inside the door panel.
The 2001 Chevy S 10 Blazer power door lock relay switch is located inside of the drivers side door. You will need to remove the drivers side door panel in order to access the door lock relay switch.
#25
Check the fuse and relay.
try changing the fuses for the blower or maybe the motor blower itself or the blower resistor.....................
Vin the relay panel ,
Unscrew the door lock.Remove the door pull.Take out any remaining screws on the door panel.Remove the master power switch.Pull the panel from the door.