courtesy under running board lighting

New member here and tried the search feature but didn’t find my specific problem there.

My vehicle is a 2003 Chevy Tahoe.  I want to add “under running board lighting” that comes on with the interior lights when the remote unlock is

triggered by the key fob. 

I’d like to illuminate the ground at each door (somewhat similar to mirror mounted puddle lights) and fade out as the interior lights do upon entry.

I don’t need 15 million colors, sound options or 15 different display options that some of the 'kit' vendors offer… just simple illumination under each

running board.   Oh, and I'd like it to be somewhat less than a weeks pay.

Either LED or regular bulb lights will work for me and plan to attach to the running board braces.  I figure a minimum of 4 lights (one at each door).

Question 1

Question 2

connection point ???

Question 3

color codes  to tap into.

I’ve done a little looking around and your site is very impressive and offers a ton of good info… thanks in advance for your help

John

thanks man... I know about relays.. in fact wrote an article explaining their function for my buddies on the Ford Enthusiasts site.  I understand I can pici up the relay trigger voltage at the column wiring... but will it maintain that cool fade out when it shuts down...????  seems like that connection point would just turn the relay on/off... where do I pick up the power source for the lights that also does the fade... ??

thanks for the reply

John