Installation, Preparation Phase
Please take time to plan out your installation. Before you begin, examine the wiring already
present in the locomotive. Shown below is a Lionel GP-20 with truck mounted can motors.
The electronic “E” unit is depicted on the right below. The small circuit board on the left is
the Sound unit.
GP-20 before installation begins
First the original electronic “E” unit needs to be removed. Cut the wires as close to the
circuit board as possible. It is wise to make a drawing of the original connections for later
reference. The Cruise Commander Lite is slightly wider than the original circuit board;
therefore it is necessary to remove the top mounting clips on the plastic mount.
Remove (cut off) these clips
“E” unit removed
4
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