Sadly..... the first mod is a "failure"
I wanted brighter back-up lights, so I ordered these:
http://www.amazon.com/Cutequeen-Ligh.../dp/B00J7HBRL8
The package they came in:
They are definitely "whiter", but it is NOT "brighter". :-(
Left is the new white LEDs, right is the stock 921:
Left is the stock 921, right (may not even be visible) is the new white LEDs:
Now, I need to hunt for some brighter 921-sized brighter LEDs....
Any recommendations?