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How do you Change, Replace, or Install 1997-1999 Cadillac Deville Headlight Replacement





Tools required:
  • 7mm socket/ratchet with extension (E8 socket will also suffice)

  • 10mm socket/ratchet with extension

  • Phillips screwdriver


Step 1: Open the vehicle's hood.

Step 2: Lift and remove the panel that covers the headlight's mounting area.

Step 3: Remove the E8/7mm bolt that is located near the upper/outer area of the headlight mount.

Step 4: You can now pull the parking light assembly from the vehicle. Disconnect its wiring harness.

Step 5: Remove the four 10mm retaining bolts that secure the headlight to the vehicle.


Two are located in the area exposed by the parking light's removal, one is located on the inner/upper portion of the assembly, and the final bolt is located on the inner/lower portion.

Step 6: You can now pull the headlight from the vehicle.

Step 7: Disconnect the wiring harness that powers the headlight assembly.


NOTE: If you ordered your replacement headlight from Go-Parts, it likely includes new bulbs, sockets, and wiring, as most of our models do. This saves you an installation step! However, if your particular model does not, you can easily transfer the sockets, bulbs, and wiring from the old assembly to the new one. This process takes just a few moments!

Step 8: Connect the wiring harness to the new headlight assembly.

Step 9: Mount the new headlight to the vehicle by tightening the 10mm mounting bolts.

Step 10: Reconnect the vehicle's parking light, and mount it by tightening the E8/7mm bolt.


NOTE: To align the headlight's beam, use a Phillips screwdriver and the level that is attached to the assembly to adjust the unit.




Please Note

While we are more than happy to create these installation guides for your benefit, we cannot maintain any liability regarding the part, or the driving experience, once the part has been replaced/installed. We always guarantee the quality of the parts we provide, but the installation liability rests solely on the installer.

And, though we are always here to answer your questions, please note that our technicians created these guides for your convenience, and cannot provide assistance beyond this guide.


If you're looking for a good deal on the parts mentioned in this instructional guide, be sure to check these out:

Years 97-99, OEM #:16526199 - Partslink # GM2502165

$79.95
Years 97-99, OEM #:16526200 - Partslink # GM2503165

$79.95

These Part Change / Installation Instructions Apply to
99 1999, 98 1998, 97 1997 Cadillac Deville Headlight Replacement Instructions
- POPULAR GUIDES: CADILLAC DEVILLE -

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1996-1999 Cadillac DeVille AC Heater Air Temperature Control Replacement

1996-1999 Cadillac DeVille Ignition Coil Replacement

1994-1999 Cadillac DeVille Side Mirror Replacement

1994-1999 Cadillac DeVille Tail Light Replacement


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