1947-1955 (1st Series) GMC & Chevy Truck
Limited Access Note
Due to limited access space in the 47-55 (1st Series) Chevy truck, remove the motor from the regulator before installing:
- Remove the motor from the regulator — it’s held on with three button-head screws.
- Insert the regulator into the door.
- Reattach the motor to the regulator through the access hole.
Mounting Instructions
1947-1950 Chevy Truck — Right Side

1951-1955 (1st Series) Chevy Truck — Right Side

Running the Wire Harness Through the Door
- Locate the mounting point. Find the face side of the lower door hinge.
- Drill and tap. Drill and tap a hole for a #10 screw (use a 5/32″ drill bit and 10-32 tap).
- Secure the wire. Hold the wire in place with a nylon Adel clip using the #10 screw.
- Route into the cab. Drill a 7/8″ hole at the top of the kick panel under the dash and install a rubber grommet for wire travel.

For any questions or concerns with your install, don’t hesitate to email us at info@lsfab.com


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