ACDelco 94550515 - Rear Door Lock Actuator

Signs of Wear & Troubleshooting

• The following Trouble Shooting Guide should be helpful if you encounter any problems after you have installed our products. If your window won't move or runs slowly:
• Switch may be faulty.
• Wiring: check wiring for any signs of fraying around connector.
• Weather stripping may be binding or causing drag on window.
• Check fuse.
• Check that battery is in good condition and connected.
• Be sure ignition is in the 'Accessory Position'.
• Be sure window is seated in guides properly.

• If your window vibrates when moving:
• If replacement was 'motor' only, be sure motor gear is properly aligned with regulator gear.
• Check weather stripping for drag on window.
• Be sure moving parts on regulator or window itself are not encountering interference.

• If your window makes noise when moving (NOTE: A noise level similar to the ‘hum' of a small fan is expected.) If louder, then:
• Be sure window is seated in guides properly.
• Check that screws holding regulator are tight.
• Check to see if wires or cables are interfering with movement of window or regulator.

Good Maintenance Practices

• There are many things you can do to keep your vehicle's window system running smoothly:
• Never try to roll down the window when it is frozen.
• Keeping the parts well-greased is important to ensure that they keep operating properly.