All of Lee's Parts with lights are matched with the factory bulb colors.
Thing: Left - Yellow (Lit when 5 Things Lamps lit), Right - Green (Lit when lock ready)
Vault: Top - Green (Lit when lock ready), Bottom - Red (Lit for start Showtime)
Chair: Left - Yellow (Lit when chair will score mansion room), Right - Red (Lit for start Showtime)
To install the Cloud Topper Light, you'll likely need a Torx T-20 Tamper Resistant Security bit to remove the Cloud Topper.
The Swamp light is connected the the General Illumination lights that are protected by fuse F106. This fuse is located in the lower left of the power driver board.
Step 6 - the last word should be "opening" not "through". (newer instructions have been updated)
Step 8 - the light should be mounted between the underside of the plastic and the nut.
A wealth of information about your pins can be found in the Internet Pinball Database. Operations manuals are also available for download.
If you find that you need one of your circuit boards repaired, I highly recommend the Coin-Op Cauldron. They do great work at reasonable prices.
LeesParts