Hi Larry, I'm happy to assist you. Yes, this part is guaranteed to fit the 2002 Chevrolet Impala, all submodels, all engines with no Police Package. Click on the link below to order at 46% off the regular price while supplies last. I hope this is helpful. Enjoy shopping at Carparts.com! https://www.carparts.com/headlight-switch/replacement/repc108911?can=CPGG4850

Hi Cheryl, I'm pleased to assist you. We suggest having the vehicle checked by a certified mechanic as it needs real-time diagnosis to determine what part/s need replacement. I hope this helps. have a nice day.

#1 reason for replacing this part is inability to turn off interior courtesy lights. You probably have daylight on low beam headlights. If so #1 reason they don't turn on is a bad fuse. Check internet to determine location of headlight fuse for your GM car. Cause #2 is a bad relay. There is a headlight relay that switches power from the low beams to the high beams. Try alternating between low and high beam. If one works and other doesn't it's a sigh the relay is bad. Not an expensive fix.. Cause #3 is headlight module. Visit auto parts store for headlight circuit test, If you have no hi or low beam working you can rule out burned bulbs or high / low beam switch. You did not mention if you replaced headlight bulb with hi-intensity blue bulbs. Many times this upgrade is not compatible with 2000 forward GM Impalas. This web market vendor provides quality replacement parts at a reasonable price. This switch resolved issue with my 2002 Impala. My problem was interior lights not turning off. This switch contains the timing device that turns off interior lights few minutes after door is closed. Hope this helps. Joe in Nashville, TN If a headlight fuse blows, it could cause the headlights to stop working. Most headlight systems are also designed with a relay that switches the power between low beam and high beam headlights. If this relay goes bad, it could allow power to the high beams, but not the low beams.

Hi Vernon, You will be able to see the grand total once you add the item to the cart, click secure checkout, and fill up all the necessary details such as address, name, email and phone number. Then select the Overnight option if there is. Our system automatically computes for shipping, handling and tax(depending on the state you are in) and it would show you the grand total once that data has been entered.

Hi Dwayne, We recommend referring to a good repair manual for step by step instructions. It may require basic automotive knowledge for proper installation, and professional installation is always recommended. You can find more information here: https://www.carparts.com/blog/why-you-should-always-consult-a-repair-manual/