In this case the aircraft has an optional modern pit we can lift sections from , here i added the autopilot and gns 480 while i was at it , same thing should work for the other versions .
Just paste this into your panel.cfg
[Window Titles]
Window00=Armaments/Controls Menu
Window01=Minipanel
Window02=Autopilot
Window03=GNS 480/GPS Zoom
[VIEWS]
VIEW_FORWARD_DIR=8.000, 0.000, 0.000
file=bkg.bmp
//--------------------------------------------------------
[Window00]
file=bkg.bmp
size_mm=456,378
position=8
visible=1
ident=18456
window_size= 0.400, 0.126
window_pos= 0.280, 0.030
gauge00=FltsimDevP38!trigger2, 50,0
gauge01=FltsimDevP38!trigger3, 150,0
gauge02=FltsimDevP38!trigger4, 240,0
gauge03=FltsimDevP38!trigger1, 360,0
gauge04=FltsimDevP38!CfgClose, 440,0,14,44
//--------------------------------------------------------
[Window01]
Background_color=0,0,0
size_mm=631,100
windowsize_ratio=0.500
position=7
visible=1
ident=MINIPANEL
child_3d=1
no_luminous=1
gauge00=FltsimDevP38!Airspeed, 0,1,100,100
gauge01=FltsimDevP38!Turn Coordinator, 102,0,100,100
gauge02=FltsimDevP38!ADI, 207,0,100,100
gauge03=FltsimDevP38!Gyro, 312,0,100,100,100
gauge04=FltsimDevP38!Altimeter, 417,0,100,100
gauge05=FltsimDevP38!VSI, 531,0,100,100
[Window02]
size_mm=165,76
position=1
BACKGROUND_COLOR=0,0,0
visible=0
ident=GPS_PANEL
gauge00=FDBKAvionics!KFC225, 0,0,165,76
[Window03]
size_mm=265,85
position=6
BACKGROUND_COLOR=0,0,0
visible=0
ident=GPS_PANEL
gauge00=FSDevGNS480!GNS480, 0,0,150,85
//--------------------------------------------------------
[Vcockpit01]
file=$p38
Background_color=0,0,0
size_mm=500,500
visible=1
pixel_size=400,400
texture=$p38
gauge00=FltsimDevP38!trigger3, 0,1,239,234
gauge01=FltsimDevP38!SNDOFF, 0,10
gauge02=FltsimDevP38!SND, 0,15
gauge03=FltsimDevP38!SND1, 0,20
[Color]
Day=255,255,255
Night=255,255,255
Luminous=201,64,64
[Default View]
X=0
Y=0
SIZE_X=8191
SIZE_Y=3276