Wing lights are coded into the model files (for flex wings) and thus cannot be altered. you can alter the main body lights in the aircraft.cfg file. eg.

//Types: 1=beacon, 2=strobe, 3=navigation, 4=cockpit, 5=landing

[lights]
light.1 = 1,   40.40,   0.00,  10.55, fx_shockwave_beaconh //fx_beacon  //BEACON TOP
light.2 = 1,   12.00,   0.00, -11.00, fx_shockwave_beaconh //fx_beacon  //BEACON BOTTOM
light.3 = 3, -102.60,   0.00,   1.75, fx_shockwave_navwhi_l //fx_navwhi  //NAV WHITE REAR
light.4 = 2, -102.90,   0.00,   5.65, fx_shockwave_strobe_3 //fx_shockwave_strobe_l_2 //fx_strobe  //STROBE WHITE REAR
light.5 = 10,  93.00,  -1.80,   3.50, cs777_vclightwhi
light.6 = 10,  93.00,   1.80,   3.50, cs777_vclightwhi
light.7 = 8,   26.50, -23.50,  -3.00, cs777_vclightwhi
light.8 = 8,   26.50,  23.50,  -3.00, cs777_vclightwhi
light.9 = 7,  -12.00, -28.30,  -8.10, cs777_sf
light.10= 7,  -12.00,  28.30,  -8.10, cs777_sf