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The Peugeot 406, NE78 Lock

By Martin Pink

Picking the NE78 Lock using the Lishi 2in1 Pick/ Decoder


The Lishi 2in1 pick and decoder for the NE78 lock is commonly used on the Peugeot 406.


The gauge with the wafer positions running right to left, and the height lines to the right, make reading and positioning spot on every time.

Picking Process

Insert the pick into the lock and apply very, very light tension.

Line up the pointer to the 0 position on the grid (as shown in picture 1) and then gently push the wafer manipulator up or down on the unmarked line above the 0 position (as shown in picture 2).

Picture 1:


Picture 2:


If wafer resistance is felt then the pick is correctly inserted; if no wafer resistance is felt at all then the pick is upside down – simply turn it over and repeat the above test.

Once wafer resistance is felt you need to reapply your light tension; position the picks pointer on position 0 and gently push the wafer manipulator up or down slowly on the unmarked line opposite the 0 until you feel a slight, light jump.

Verify that the wafer is picked by gently depressing the manipulator down and you will feel it move and spring back – much like a picked lever in a mortice lock – it will feel springy to the touch.

Keep your very light tension on and slide the pointer to position 9 on the gauge.

Push the wafer up or down gently on the unmarked line opposite the 9 until it is springy – just as with the 0 position.

Repeat the process for each position from 0 down to position 1.

Having picked all 10 wafers, do not get tempted to apply more tension at this point; if the lock is not fully picked the clutch will engage rather than the lock opening.



When you believe you have set each wafer, prior to applying opening tension, get into the habit of checking each position to ensure they are springy. Once this is confirmed, apply more tension to the tensioner and open the door lock as shown in the following pictures.

With a little practice and time taken getting a feel of the tools, the picking process takes around 1 minute to complete.

I had my 15 year old son and 7 year old daughter – having never picked a car lock before -opening these locks in 1 to 2 minutes!

For the full picking and decoding process check out CKL edition 5.