Where to attach small spring that comes with driver?

[rojos]

Desolder the small spring on the 105c. Then attach the larger spring upside down. The small end of the spring is a perfect fit for the pad on the 105c.

The result should look like one of these:

5-mode F15, E1320 edition

This is so awesome, I just had to give a shout . . . As some of you are aware, I've traveled a long road with my F15. For those that weren't around, I ordered a TrustFire F15-T6 last summer not long after I received my 980L. It seemed like a less expensive alternative to the 980L and I had hopes of a bargain powerhouse. My hopes were dashed however when, upon opening the envelope from Manafont, the driver flopped out/hanging by the wires and there were two chips, one of which would have easi…