Need help with config to ouput composite video for OSMC Pi3 B

Hello I’m trying to connect my OSMC Pi3 to my minivan screen to play movies and not having any luck. The minivan does not have HDMI connection, only composite connections (red, yellow & white).

This is the cord I have to connect the Pi3 to minivan screen.

How do I force output video to composite and not HDMI?
My config:
gpu_mem_1024=256
hdmi_ignore_cec_init=1
disable_overscan=1
start_x=1
disable_splash=1
gpu_mem_256=112
sdtv_aspect=1
gpu_mem_512=144
hdmi_ignore_cec=1
hdmi_ignore_edid=0xa5000080

Please and Thanks

That is the correct cable and the config.txt looks right - in that it does not have hdmi_force_hotplug=1
so perhaps the ignore_edid makes it use HDMI (I would be surprised but it is an easy change to test - just put a # at the start of the line).
If you are using Noobs then it complicates things.

Does the default SDTV mode match your kit?
If not then try setting it
sdtv_mode=0 Normal NTSC
sdtv_mode=1 Japanese version of NTSC – no pedestal
sdtv_mode=2 Normal PAL
sdtv_mode=3 Brazilian version of PAL – 525/60 rather than 625/50, different subcarrier