Dewalt Nailers DCN660D1 2018 Control Module Replacement

Use a T10 driver to remove the ten screws securing the outer housing.

Lay the device on its left side (with the belt hook).

Lift and remove the right housing from the device.

Remove the lock button from its recess.

Slide the battery connector out of its recess.

Remove the switch board from its housing recess.

Remove the two spring clips from the housing.

Be sure to route the wires through the yellow groove.

Be sure to reattach the spring clips.

Carefully flip the device over.

Remove the left housing from the device.

Carefully remove the release button from the device.

Remove the button spring from the device.

Use a T25 driver to remove the two screws (one on either side) securing the back support .

Loosen the two solenoid wires from the back support.

Pull the back support straight out of the device.

Use a T10 driver to remove the three screws securing the motor wires

Use a small flathead screwdriver to pry up and disconnect the sensor connector from the side of the motor.

Insert the point of a pick tool into the push-in connector's inlet hole, which has the control module wire plugged into it.

With the pick tool still inserted, pull the red control module wire out of the push-in connector.

Repeat the previous two steps to disconnect the black control module wire from the push-in connector.

Unclip the solenoid's red and black wires from the control module's side.

Lift and remove the control module from the device.

Reassembly tip: Make sure that the white plastic actuator latches into the black lever arm.

Remove the white plastic actuator from the control module and transfer it onto your replacement part.

When you install the actuator, make sure the actuator bar can press the white button on the control module.

Carefully unclip the clear light pipe from the switch board.

Transfer the light pipe onto your replacement part.

Only the control module remains.