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Sync 4 12" Swap - Issues with Fordpass/Compass after

wchain

New member
First Name
Wes
Joined
Nov 3, 2022
Threads
2
Messages
4
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Location
Texas
Vehicles
2021 F150 STX
Hi Guys,

Long time lurker here. I've been hanging on the other F150 board, and this one seems much more active for the latest gen!

Background vehicle: 21 F150 STX with Sync 4, 8" Screen, no nav, no Sat Radio.

I have a question on my 12" Swap, which I purchased from a well known seller that does these conversions.

The major issue is, ever since the swap, Fordpass doesnt work, and the compass in my instrument cluster constantly switches back and forth between the correct direction and North. Upon further investigation, it was determined that I needed a different antenna cable that went from an unoccupied connector (mustard yellow connector) on the lower right cavity of the display opening near the glovebox, to the APIM. Is there a setting on Forscan that I need to change to tell the truck to look for GPS/cell elsewhere? I was thinking maybe the 8" screen was also doubling as GPS signal/antenna?

Secondary issue, and this isnt as big of an issue, as my IOD cards show up but they don't work.
Example: The trip meter doesnt count mileage, and doesnt change Distance to Empty. I tried Forscan feeding from Ignition and cluster, no dice with either. I'm not sure if this is because I dont have a 12" instrument cluster swap, or something else.

Thanks in advance!
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Jesse-Infotainment

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First Name
Jesse
Joined
May 27, 2021
Threads
9
Messages
3,961
Reaction score
6,401
Location
Dallas
Vehicles
2024 F150 Lightning
Hi Guys,

Long time lurker here. I've been hanging on the other F150 board, and this one seems much more active for the latest gen!

Background vehicle: 21 F150 STX with Sync 4, 8" Screen, no nav, no Sat Radio.

I have a question on my 12" Swap, which I purchased from a well known seller that does these conversions.

The major issue is, ever since the swap, Fordpass doesnt work, and the compass in my instrument cluster constantly switches back and forth between the correct direction and North. Upon further investigation, it was determined that I needed a different antenna cable that went from an unoccupied connector (mustard yellow connector) on the lower right cavity of the display opening near the glovebox, to the APIM. Is there a setting on Forscan that I need to change to tell the truck to look for GPS/cell elsewhere? I was thinking maybe the 8" screen was also doubling as GPS signal/antenna?

Secondary issue, and this isnt as big of an issue, as my IOD cards show up but they don't work.
Example: The trip meter doesnt count mileage, and doesnt change Distance to Empty. I tried Forscan feeding from Ignition and cluster, no dice with either. I'm not sure if this is because I dont have a 12" instrument cluster swap, or something else.

Thanks in advance!
If it was me let me know. I’ll get it fixed. DM and I’ll send you my number
 
 







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