Yes, you can use Forscan to have the amber markers as the DRL, either with or without the headlights on. Better to view it on the spreadsheet (less confusing):
https://docs.google.com/spreadsheet...iVSlDFGFHnfeuhb3RTMVz95730/edit#gid=815852466
Anyway, the relevant portion of the spreadsheet with the various options is pasted below.
DRL - Parking Lights only (stock LEDs only)
BCM
726-26-02 x1xx xxxx xxxx
726-50-01 01xx
** Testing DRLs: Make sure all of the following are set: **
1. Daytime Lights box checked in cluster under settings, adv settings, vehicle, lighting
2. Headlamp switch in the Auto position
3. Truck must be in gear for DRLs to work
DRL - Parking Light only (Halogens)
BCM
726-26-02 x1xx xxxx xxxx
726-45-01 xxxx 7Fxx xxxx
726-50-01 108E
DRL - Parking Lights & Low Beams only
BCM
726-26-02 x1xx xxxx xxxx
726-50-01 02xx
DRL - Parking Lights & Turns only
BCM
726-45-01 xxxx 7Fxx xxxx
726-26-02 x1xx xxxx xxxx
726-50-01 08xx
DRL - Anzo switchback white halo
BCM
726-45-01 xxxx 7Fxx xxxx
726-26-02 x1xx xxxx xxxx
726-50-01 10xx
DRL - Turns only (Halogen/aftermarket lights only)
BCM
726-45-01 xxxx 7Fxx xxxx
** On stock LEDs this will also illuminate outer halo
726-50-01 08xx