DIY Blinker on a Cadillac

The blinkers on your Cadillac vehicle should take only a few minutes to replace.

The blinkers are an important safety component of any Cadillac vehicle. If they burn out, they should be replaced immediately. Thankfully, replacing a blinker on a Cadillac is fairly simple and only requires a screwdriver and a replacement bulb. The type of bulb depends on the make and model of your Cadillac vehicle, but the process is similar for most Cadillac.

Things You'll Need

• Jack
• Wheel wrench
• Socket wrench
• Clean cloth
• Replacement bulb

Instructions

Cadillac STS

1. Park your vehicle on a flat surface and turn off the engine.

2. Remove the protective shield on the underside of the front bumper by pulling out the push-pins on the shield. Reach up from under the vehicle to access the lamp assembly.

3. Rotate the bulb access cover by rotating it counterclockwise. Remove the bulb from the socket and use a clean cloth to replace it with a new 3757KA bulb.

4. Reattach the bulb access cover and secure the protective shield with the push-pins.

Caillac XLR/SRX

1. Park your vehicle on a flat surface and turn off the engine.

2. Use the wheel wrench to loosen the plastic nut covers on the wheel. Place the jack under the vehicle on the side of the light you will be replacing and raise it to a comfortable height. Remove the wheel cover and use the wheel wrench to remove the six wheel nuts. Take the wheel off the vehicle.

3. Remove the four bolts from the access cover on the wheel well. Remove the wheel well in order to access the turn signal assembly.

4. Rotate the bulb socket counterclockwise to remove it from the assembly. Remove the bulb from the socket and use a clean cloth to replace it with a new 3757KA bulb. Place the socket back into the assembly and rotate it clockwise to secure. Reattach the four bolts to the access cover.

5. Place the wheel back onto the vehicle and reattach the wheel nuts. Place the cover back onto the wheel and lower the vehicle. Tighten the plastic nut covers.

Cadillac Escalade/Escalade EXT

1. Park your vehicle on a flat surface and turn off the engine. Open the hood.

2. Remove the eight fastener plugs on the radiator cover by hand and pull the cover off. Pull the top left corner of the grill out so the headlamp clips release. Remove the horizontal pin from the headlamp assembly by lifting the end of the pin upward until it unsnaps and pulling it out of the vehicle. Disconnect the electrical connector from the headlamp assembly and remove it from the vehicle.

3. Remove the rubber bulb cap from the turn signal assembly. Press the locking release lever, rotate the bulb socket counterclockwise and remove it from the turn signal assembly. Remove the bulb from the socket and use a clean cloth to instal a new 3157 bulb.

4. Place the socket back into the turn signal assembly and reattach the rubber bulb cap. Place the headlamp assembly back into the vehicle and reattach the electrical connector.

5. Reattach the horizontal pin and the radiator cover. Reinstall the eight fastener plugs and close the hood.

Cadillac CTSV

1. Park your vehicle on a flat surface and turn off the engine.

2. Remove the protective shield on the underside of the front of the vehicle by removing the four push-pins on the shield. Reach up from under the vehicle to access the lamp assembly.

3. Remove the bulb socket from the assembly by rotating it counterclockwise. Disconnect the electrical connector from the bulb by lifting off the two plastic clips.

4. Pull the old bulb out and use a clean cloth to install a new 3157K bulb. Reconnect the electrical connector to the socket and place the socket back into the assembly.

5. Reattach the protective shield and the four push-pins.

Cadillac Deville

1. Park your vehicle on a flat surface and turn off the engine. Open the hood.

2. Lift off the bulb socket dust cover from the turn signal bulb socket. Press the plastic tab down and turn the socket counterclockwise to remove it.

3. Pull the bulb out of the socket and use a clean cloth to install the replacement 3157 bulb. Place the socket back into the assembly, making sure the plastic tab locks over the socket.

4. Reattach the bulb socket dust cover and close the hood.

Tips & Warnings

• Never replace a halogen bulb without some form or protection. Using your bare hands will damage the bulb.

References

• "2005 Cadillac CTS Owners Manual"; General Motors Corporation; 2004
• "2005 Cadillac STS Owners Manual"; General Motors Corporation; 2004
• "2005 Cadillac XLR Owners Manual"; General Motors Corporation; 2004
• "2005 Cadillac SRX Owners Manual"; General Motors Corporation; 2004
• "2005 Cadillac Escalade/Escalade EXT Owners Manual"; General Motors Corporation; 2004
• "2005 Cadillac Deville Owners Manual"; General Motors Corporation; 2004