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Installing power windows in a 1972 Chevy Pickup
door with manual windows The first step in installing the window kit is to remove the handles and the door panels. With the panels removed check to make sure the door is structurally sound and the glass channel is attached securely to the glass. If not, repairs should be made before continuing with the installation. The next step is to remove the manual regulators from the doors. Have an assistant hold the glass so it doesn't fall and break. 
door with manual regulator First the 4 bolts that hold the regulator are removed and then the 2 bolts holding the lower glass channel and wing window are removed. These 6 bolts have been marked in blue. Next remove the three screws along the front edge of the door. With the window in the down position rock the wing window assembly backwards and then up and out. With the wing window removed from the door, the regulator is ready to be removed. 
manual regulator being removed
Slide the regulator forward until it falls off the window track and the door track. Then slide it backwards until the rear slide comes off the track. Slide the regulator assembly out of the large access hole in the door. With the regulator out of the door smear a small amount of grease on the tracks on the glass and the door. This will ensure smooth quiet opperation of your new power windows.

manual and Electric Regulators This shot shows a comparison between the Classic Performance Products and the original regulator. Notice how the Classic Performance Products regulator is a scissors type, just like the factory piece.
Electric-Life regulator being installed After attaching the motor wires, slide the Classic Performance Products regulator back into the door. Line up the slides with the tracks on the glass and the door and slide them in. Be patient. This may take a little time and finese to get all three lined up at the same time. It may also help to have an assistant hold the window against the rear channel and move the glass up and down slightly to aid in liningup the slides. When all 3 slides are in their respective tracks, move the window either up or down until the studs on the regulator match the holes in the door. 
Electric-Life regulator mounted in door Attach the regulator using the hardware supplied. The kit uses Metric hardware, so the old hardware must not be reused. Use a 10mm wrench to tighten the mounting nuts. Apply power and ground to the blue and black wires coming from the motor and roll the window down. Reversing the wires will make the window travel in the opposite direction. Run the window down into the door. Place the wing window assembly back in the door and reattach the screws. 
power window wiring At this stage the power window wiring must be run into the truck. Holes must be drilled in the doorjamb and grommets installed in the holes to pass the wires through. Be sure to avoid any sharp metal edges which might short the wires. After the wires have been routed through the truck, connecting them to power and ground is all that is left. 
power wiring at fuseblock Tap into a heavy circuit that is live only with the key on. We choose to tap into a power wire close to the fusebox. After the wiring is done the switches need to be mounted in the door panels. We used the illuminated switch kit in this vehicle so that the bezels would cover up the bump where the crank handles were. The holes are slightly enlarged using the new bezel as a pattern, and the panels are screwed in from behind. When the car goes to the paint shop, the door panels and the switch bezels will get painted. 
door with power windows After reassembling the door panels, the system is ready to test. The Classic Performance Products power window kit works perfectly. The window works quietly and quickly, just like it should. 

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