Fsbuild-2 Flight Planner

*My config: win7 64 - FSX acceleration SP2
I make a lot of panel retrofits for many planes, they all work fine, but i have a problem with the captain sim FSX 707-300. VNAV is OK, Autothrottle is OK, but the plane doesn't follow the route entered in the smith FMS when i engage the LNAV. I don't understand because everything seem to be ok, i select LNAV , but when i select heading mode on the flight director as it required by the ISG gauge, the LNAV is correctly enable in green on the PFD, but the plane doesn't follow the route entered in the smith FMS, instead he go to north heading 360. I tryed to activate & deactivate the "isg1!SERVER" gauge and the "ResetApHdg" but there is no difference Here is my panel & aircraft config, PLEASE HELP ME to resolve IT !!. Here is a copy of my modified panel and the aircraft ISG config.
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[Window Titles]
Window00=Simicons
Window01=Animations Control
Window02=CS Weather Radar
Window03=Map
Window04=Autopilot
Window05=Crew Messenger
Window06=FMS
Window07=HW_B737_EFIS_CNTR

[VIEWS]
VIEW_FORWARD_WINDOWS=MAIN_PANEL,RADIO_STACK_PANEL,60,115
VIEW_FORWARD_ZOOM=0.8
VIEW_FORWARD_DIR=1.0,0.0,0.0
VIEW_DOWN_WINDOWS=30,80,115
VIEW_REAR_RIGHT_WINDOWS=33,85,115
VIEW_DOWN_ZOOM=1.0
VIEW_DOWN_DIR=-30.0,0.0,30.0
VIEW_REAR_RIGHT_ZOOM=0.8
VIEW_REAR_RIGHT_DIR=0.0,0.0,120.0

[Window00]
file=bg.bmp
background_color=0,0,0
size_mm=1024,768
window_size_ratio=1.00
position=7
visible=1
ident=MAIN_PANEL
render_3d_window=0
window_size= 1.000, 1.000
window_pos= 0.000, 0.000
gauge00=Captain_Sim.x707.sys!main, 0,0, 2,2
gauge01=Captain_Sim.x707.sound!main, 0,0,1,1,Captain_Sim\707\sound.ini
gauge02=Captain_Sim.x707.tools!icons, 0,604,24,120
gauge03=Captain_Sim.x707.gpws!main, 0,0,1,1
gauge04=ISG1!VNAV, 40,654,25,25
gauge05=ISG1!LNAV, 40,627,25,25
gauge06=ISG1!FMS2_OPEN, 40,600,25,25
gauge07=ISG1!EFIS_CTRL_OPEN, 40,682,25,25
gauge08=isg1!B777_PFD_NB, 70,526,230,240
gauge09=isg1!HW_B737_ND, 301,526,230,240,707
gauge10=ISG1_TCAS!Logic, 1,1,1,1
gauge11=isg1!SERVER, 483,222,20,20

[Window01]
size_mm=200,256
window_pos=0.000,0.070
position=0
background_color=0,0,0
visible=0
ident=11001
gauge00=Captain_Sim.x707.tools!ac100,0,0,200,256

[Window02]
size_mm=538,780
window_size=0.25
window_pos= 0.750, 0.150
;position=2
background_color=0,0,0
visible=0
ident=11002
zorder=1
gauge00=Captain_Sim.x707.P04!P04_radar, 0, 0,538,522
gauge01=Captain_Sim.x707.P03!P03_radar, 0,523,538,250
gauge02=Captain_Sim.x707.WXR!wr_display, 93,70,358,358

[Window03]
size_mm=400,283
position=8
background_color=0,0,0
visible=0
ident=11003
nomenu=0
gauge00=Captain_Sim.x707.P01!P01_map,0,0,400,283

[Window04]
size_mm=384,201
window_pos= 0.626, 0.020
;position=2
background_color=0,0,0
visible=0
ident=11004
nomenu=0
gauge00=Captain_Sim.x707.P11!P11_ap,0,0,384,100
gauge01=B737_800!autopilot, 0,101,384,100

[Window05]
size_mm=349,218
window_size=0.25
window_pos= 0.030, 0.690
background_color=0,0,0
visible=0
ident=11005
render_3d_window=0
gauge00=Captain_Sim.x707.P15!P15_voice, 0,0, 349,218

[Window06]
Background_color=0,0,0
size_mm=250,396
position=0
visible=0
ident=4012

gauge00=isg1!SMITHS_FMS, 0,10,250,386,WN

[Window07]
Background_color=0,0,0
size_mm=313,222
position=1
visible=0
ident=4013

gauge00=isg1!HW_B737_EFIS_CNTR, 0,10,313,212,WN

---------------------------------------------------------------------------------------------------------------------
; 707 config
ClimbIas=250
ClimbRate=100
CruiseIas=300
DescentIas=260
DescentRate=2000
FPA=3.5
MaxCruise=29000
MaxVnavDescRate=3500
MaxVnavClimbRate=3000
MinVnavIas=135
MinVNavRadioAlt=500
ParkingFile=isg_Parking.txt
MFDTextAntiAlias=0
ClbSpdRest=250
ClbAltRest=10000
DescSpdRest=250
DescAltRest=10000
DispAppPtrnAlts=1500
ApprFlapsMin=25
ApprFlapsMid=40
ApprFlapsMax=50
BestHoldIas=340
CruiseIasMax=350
DispFPV=1
ModelId=707
VnavSetSpdRestDist=20
ResetApHdg=1
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PLEASE HELP !!

I'd have to guess the CS707's autopilot is in some way interefering with ISG's ability to send new course headings to the autopilot.

Try manually changing the heading in the 737-800 autopilot. If it does not allow a heading change that way, then you have confirmation
the 707 autopilot is preventing it from happening.

An option might be to remove the 707's autopilot completely and use the 737's. Or play around with the 707's autopilot settings and see what might allow Lnav to work. For example try Nav mode instead of Hdg.

Regards.
Ernie.

Hi Ernie.
I can't change the heading in 737-800 autopilot, it stay at 000. The only place where i can change the heading is in the HSI heading bug in 707 VC, but it just follows that heading and not the LNAV route. I also try all the others mode, like NAV but no result. I also try all the gauges possible in ISG but no results. In fact, the heading of 707 OVERRIDE the heading of ISG LNAV. And i would'nt delete the autopilot & Mode of my original CS707. Any other idea???