Wiring daytime running lights aftermarket

use a relay triggered by your ignition switch

86- ignition wire

85-ground

30- 12-volts

87- 12-volt output to your lights

87a- empty

remember if you do it this way your bulbs will burn out more often better off using your parking lights trigger.  if positive trigger then hook it to #86 on the relay.  if it is a negative trigger then as follows

86- 12-volts

85- negative input from parking lights

30- 12-volts

87- out to lights

87a- empty