You'll need a "T" fitting to run both. On Touring models, the oil guage is electric, and a dual-sensor is used that works both the guage, and triggers the light below 4 lbs.
With a light and a manual guage, you are asking to do an electrical function and an electrical function.
Unless you tap into a port somewhere else for oil PSI and leave the sending unit for the light alone.
“When the going gets weird, the weird turn professional....” ~ Hunter S. Thompson~
R.I.P. Rubberdown. 1971-2012
"Your Jedi Mind tricks will not work on me...... ~Misinlink-2016~
2005 E.G. Classic
S&S 510 cams
Baisley Oil pump spring
SE 3.5" pipes
S&S adj pushrods