GM Cadillac 1967-1989 Repair Guide

Signal And Marker Lights

Print

Since the light housing capsules (on all late model vehicles) are constructed by means of sonic welding, the ONLY services which can be performed are the replacement of the bulbs or the housing themselves.

REMOVAL & INSTALLATION

Front Turn Signal and Parking Lights

1964-79 VEHICLES



  1. Reach up under the fender and twist out the electrical socket from the rear of the housing.
  2.  
  3. Remove the housing-to-front fender extension screws and remove the housing (pull it rearward).
  4.  
  5. To install, reverse the removal procedures.
  6.  

1980 AND LATER

See Figures 1, 2, 3, 4, 5, 6, 7 and 8

  1. Remove the headlight bezel mounting screws and the bezel.
  2.  
  3. Disconnect the twist lock socket from the lens housing.
  4.  
  5. Remove the parking light housing.
  6.  



Click image to see an enlarged view

Fig. Fig. 1: Removing the lense housing retaining screws



Click image to see an enlarged view

Fig. Fig. 2: Removing the lense housing



Click image to see an enlarged view

Fig. Fig. 3: Removing the bulb from the lense housing



Click image to see an enlarged view

Fig. Fig. 4: Removing the parking light or turn signal bulb from a common socket



Click image to see an enlarged view

Fig. Fig. 5: Removing the side marker bulb from the lense housing



Click image to see an enlarged view

Fig. Fig. 6: Removing the side marker bulb from the socket

To remove the bulb, turn the twist lock socket (at the rear of the housing) counterclockwise1/4turn, then remove the socket with the bulb; replace the bulb if defective.

  1. To install, reverse the removal procedures.
  2.  



Click image to see an enlarged view

Fig. Fig. 7: Removing the lense housing retaining screw



Click image to see an enlarged view

Fig. Fig. 8: Removing the lense housing

Side Marker Lights

1964-79 VEHICLES



  1. Remove the headlight bezel mounting screws and the bezel.
  2.  
  3. Disconnect the twist lock socket from the lens housing.
  4.  
  5. Remove the marker light housing.
  6.  

To remove the bulb, turn the twist lock socket (at the rear of the housing) counterclockwise1/4turn, then remove the socket with the bulb; replace the bulb if defective.

  1. To install, reverse the removal procedures.
  2.  

1980 AND LATER
  1. Remove the marker light housing screws and the housing.
  2.  
  3. Disconnect the twist lock socket from the lens housing.
  4.  

To remove the bulb, turn the twist lock socket (at the rear of the housing) counterclockwise1/4turn, then remove the socket with the bulb; replace the bulb if defective.

  1. To install, reverse the removal procedures.
  2.  

Rear Turn Signal, Brake and Parking Lights

See Figures 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 and 20

  1. Remove the tail light panel screws and the panel.
  2.  
  3. Disconnect the twist lock socket from the lens housing.
  4.  

To remove the bulb, turn the twist lock socket (at the rear of the housing) counterclockwise1/4turn, then remove the socket with the bulb, replace the bulb if defective.

  1. To install, reverse the removal procedures.
  2.  



Click image to see an enlarged view

Fig. Fig. 9: Removing the reverse or back-up light housing screw



Click image to see an enlarged view

Fig. Fig. 10: Removing the reverse or back-up light housing assembly



Click image to see an enlarged view

Fig. Fig. 11: Removing the reverse or back-up light from the housing



Click image to see an enlarged view

Fig. Fig. 12: Removing the license plate light housing screw



Click image to see an enlarged view

Fig. Fig. 13: Removing the license plate light housing



Click image to see an enlarged view

Fig. Fig. 14: Removing the tail light housing bezel retaining screw



Click image to see an enlarged view

Fig. Fig. 15: Removing the tail light housing bezel



Click image to see an enlarged view

Fig. Fig. 16: Removing the tail light housing screw



Click image to see an enlarged view

Fig. Fig. 17: Removing the tail light housing



Click image to see an enlarged view

Fig. Fig. 18: Removing a common tail light or turn signal bulb



Click image to see an enlarged view

Fig. Fig. 19: Removing the side marker light from the housing



Click image to see an enlarged view

Fig. Fig. 20: Removing the side marker light from the socket

 
label.common.footer.alt.autozoneLogo