Actually consists of actuators in the doors, switches, and wiring. 1. Check the system fuse and/or circuit breaker. 2. Check the switch wires for damage and loose connections. Check the switches for continuity. 3. Remove the door(s) panel(s) and check the actuator wiring connections to see if they're loose or damaged. Inspect the actuator rods (if equipped) to make sure they aren't bent or damaged. Inspect the actuator wiring for damaged or loose connections. The actuator can be checked by applying batter power momentarily. A discernible click indicates that the solenoid is operating properly.
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The relay switch for the locks on a 99 Chevy Suburban is located under the driver-side dashboard.
It is behind the back door and have a switch.
There is an electrical problem with the switch or wiring. Have it checked out/
The switch itself is most likely bad
DID YOU CHECK CHILD SAFETY LOCKS ON DOOR
It could be a little switch in the door that just needs to be flipped
The switch might be bad or the wire isn't getting the right connection with the battery. Or the wire is just shot in general.
Call a locks-smith.
There could be a bad relay switch from the fuse box. However it could also be that the fuse is blown itself.
Wrong kinda locks. Locks need to be upright.
When engaged in four wheel drive light flashes but wont engage the shaft locks but no four wheel actuator is not pushing out in my 97 tahoe?