Adding the decoder is fairly straight forward.
- Gently remove the tan cover. It holds the motor in and adds weight, note the chunk of metal in it..
- Carefully move the motor out of the way, keeping the drive shaft in constant view. You can't get replacements.
- Pry up the circuit board off the bottom of the chassis.
- Remove the two contacts that feed the motor.
- Solder the Orange and Gray wires to the motor.
- The tabs are tiny, use lots of flux and pre-tin.You may want to leave longer wires so you could later add diodes or resistors to limit power.
- Solder the Red and Black wires (leave more wire here too) to the contact strips and pop them back into the chassis. They most likely fell out when you remover the circuit board and motor contacts.
- If you got a standard decoder with lighting and you want headlights add them now. Otherwise fold the wires up and wrap with tape, you may change your mind later.
- Put the contact strips back into the chassis.
- DO NOT REPLACE THE MOTOR CONTACTS.
- Replace the circuit board
- Place the motor back in place. Tweezers or forceps will help guide the drive shaft back into the cup.
- When the motor is settled, snap the tan cover back on.
- Use tape to attach the extra wires and decoder to the cover.
- TEST!
- Figure out how to slow the loco down.
- Goto 14 until satisfied
- Reassemble the loco.
These are my pics below and no I havent tested them yet.
Im thinking about shortening the motor wires and keeping the lighting wires the same.
The pics below are the shortened wire version, The long wires were bothering me so I shortened them. I left the lighting wires long because there are lights on both sides of the Boxcab.
The pics below are the V1 version of the above with long wires.
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