: Fiber Optic Door Lock Ring

Carl Hanson
09-06-11, 09:36 PM
I'm looking for info on this system. I have L&R set ups which consists of the door lock with the ring that glows, fiber optic cable and housing that contains the magnifier lense. How does it work? What year Cadillac's had this option? Is the bulb a led or regular bulb? Is there a pigtail I can get from AC Delco or another source? Does anyone know a part number for the bulb connector so I could research finding what I need to get this system to work? Any information is appreciated.

06-07-12, 03:31 PM
I had a 78 saeville with that feature and it used a light bulb that was mounted under the dash, I just replace the bulb and all was good.

06-13-12, 01:15 PM
Was a standard feature in Cadillacs starting in the early 70's. Most times the fibre optic line plugs into a lamp bezel in the door, like a courtesy light. And its a regular bulb, the line simply transfers the light thru it to the ring around the lock cylinder.