I was trying to replace some GI lights, the ones under the sword, on my Sinbad machine and I cannot figure out why the lights won't work now. I replaced all of the bulbs under the sword and now a few will kick on intermittently. Are the lamps supposed to be soldered to their base? When putting a bulb into the lamp I can freely twist the lamp. I was thinking this might be the problem. Connectors are good and bulbs are good. Other GI lights turn on. A little help por favor.