MacBook Pro A1502 2015-2016 Not turning on (only 120 mA current draw) repair

Problem description

 * 1) incomplete

Symptoms

 * Not turning on.
 * Pulling 120 mA from the charge port.

Solution
Cause:


 * Spillage
 * Corrosion on keyboard backlight connector
 * Short to ground via keyboard backlight connector

'''[https://www.youtube.com/watch?v=r2HyzGwH7Z0 Fixed by removing keyboard backlight connector. Replace with new keyboard backlight connector.]'''