Sync 3 GPS antenna cable

Can someone suggest a good aftermarket GPS antenna for my BTVC to sync 3 conversion of my 2012 Ford Focus ST in Australia. Is a setting that i need to set with forscan to make the navigation work properly. The apim originally came with sync 3.2.2 and navigation worked ok. But after upgrading to build 3.3 using syn 3 updater, the navigation is hit or miss Wether it wants to work. So i think the antenna is a bit of rubbish.


SYNC Region: ANZ

Navigation Variant: Nav

Manufacturer Year: Pre MY20

Install Type: Retrofit

Old SYNC Version: 2.2.16280

New SYNC Version: 3.3.19052

Do you have a error message, if so what is it?
Navigation fault. Navigation is not functioning properly. Please visit you dealer for service.

Update Method: CyanLabs Syn3 Updater

Syn3 Updater Version: Syn3 updater 2.0

Syn3 Updater Documentation Read: yes

Syn3 Updater Log File

CYANLABS - SYN3 UPDATER - V2.13.1.0
Branch: Stable
Operating System: Microsoft Windows 10 Pro (2009)

PREVIOUS CONFIGURATION
Version: 3.4.23188
Region: ANZ
Navigation: True
Install Mode: downgrade (downgrade)
Install Mode Overridden: True
My20 Protection Enabled: Disabled / Not MY20

DESTINATION DETAILS
Mode: Drive
Model: Lexar USB Flash Drive USB Device
Size: 29.8GB
FileSystem: exFAT
Partition Type: MBR

REFORMAT.LST
APPS=4U5T-14G381-AN_1552583626000.TAR.GZ
APPS=4U5T-14G381-AN_1552583626000.TAR.GZ
VOICE=4U5T-14G391-DJ_1552513867000.TAR.GZ
GRACENOTES=4U5T-14G423-DA_123696.tar.gz


AUTOINSTALL.LST
; CyanLabs Syn3Updater 2.13.1.0 Stable - downgrade FORCED  Mode - Sync 3.3.19052 ANZ

[SYNCGen3.0_ALL_PRODUCT]
Item1 = RWDataCleaner TOOL - PU5T-14G386-BB_1690840002000.TAR.GZ
Open1 = SyncMyRide\PU5T-14G386-BB_1690840002000.TAR.GZ
Item2 = TOOL - GB5T-14G386-SC_85041.tar.gz
Open2 = SyncMyRide\GB5T-14G386-SC_85041.tar.gz
Item3 = APP - 4U5T-14G381-AN_1552583626000.TAR.GZ
Open3 = SyncMyRide\4U5T-14G381-AN_1552583626000.TAR.GZ
Options = AutoInstall
[SYNCGen3.0_ALL]
Item1 = REFORMAT TOOL - 1u5t-14g386-cb.tar.gz
Open1 = SyncMyRide\1u5t-14g386-cb.tar.gz
Options = AutoInstall,Include,Transaction


FILES (6)
4U5T-14G381-AN_1552583626000.TAR.GZ (479.7MB)
GB5T-14G386-SC_85041.tar.gz (1.8KB)
1u5t-14g386-cb.tar.gz (8.5MB)
PU5T-14G386-BB_1690840002000.TAR.GZ (3.2KB)
4U5T-14G391-DJ_1552513867000.TAR.GZ (1GB)
4U5T-14G423-DA_123696.tar.gz (716.5MB)

LOG
[13/03/2025 7:10:44 PM] Selected Region: ANZ - Release: Sync 3.3.19052 - Map Version: Keep Existing Maps 
[13/03/2025 7:10:44 PM] Install Mode: downgrade (downgrade) Forced: True 
[13/03/2025 7:10:44 PM] MY20 Protection: Disabled / Not MY20 
[13/03/2025 7:10:44 PM] Formatting USB drive
[13/03/2025 7:10:44 PM] Re-creating partition table as MBR and formatting as ExFat on selected USB drive
[13/03/2025 7:10:53 PM] Checking Existing File: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[13/03/2025 7:10:55 PM] Validated: 4U5T-14G381-AN_1552583626000.TAR.GZ (Skipping Download) 
[13/03/2025 7:10:55 PM] Checking Existing File: GB5T-14G386-SC_85041.tar.gz 
[13/03/2025 7:10:55 PM] Downloading: GB5T-14G386-SC_85041.tar.gz
[13/03/2025 7:10:56 PM] Validating: GB5T-14G386-SC_85041.tar.gz 
[13/03/2025 7:10:56 PM] Downloaded: GB5T-14G386-SC_85041.tar.gz 
[13/03/2025 7:10:56 PM] Checking Existing File: 1u5t-14g386-cb.tar.gz 
[13/03/2025 7:10:57 PM] Validated: 1u5t-14g386-cb.tar.gz (Skipping Download) 
[13/03/2025 7:10:57 PM] Checking Existing File: PU5T-14G386-BB_1690840002000.TAR.GZ 
[13/03/2025 7:10:57 PM] Validated: PU5T-14G386-BB_1690840002000.TAR.GZ (Skipping Download) 
[13/03/2025 7:10:57 PM] Checking Existing File: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[13/03/2025 7:10:58 PM] Validated: 4U5T-14G381-AN_1552583626000.TAR.GZ (Skipping Download) 
[13/03/2025 7:10:58 PM] Checking Existing File: 4U5T-14G391-DJ_1552513867000.TAR.GZ 
[13/03/2025 7:11:05 PM] Validated: 4U5T-14G391-DJ_1552513867000.TAR.GZ (Skipping Download) 
[13/03/2025 7:11:05 PM] Checking Existing File: 4U5T-14G423-DA_123696.tar.gz 
[13/03/2025 7:11:08 PM] Validated: 4U5T-14G423-DA_123696.tar.gz (Skipping Download) 
[13/03/2025 7:11:08 PM] Preparing USB drive
[13/03/2025 7:11:08 PM] Checking Existing File: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[13/03/2025 7:11:08 PM] Copying: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[13/03/2025 7:11:50 PM] Validating: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[13/03/2025 7:11:51 PM] Copied: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[13/03/2025 7:11:51 PM] Checking Existing File: GB5T-14G386-SC_85041.tar.gz 
[13/03/2025 7:11:51 PM] Copying: GB5T-14G386-SC_85041.tar.gz 
[13/03/2025 7:11:51 PM] Validating: GB5T-14G386-SC_85041.tar.gz 
[13/03/2025 7:11:51 PM] Copied: GB5T-14G386-SC_85041.tar.gz 
[13/03/2025 7:11:51 PM] Checking Existing File: 1u5t-14g386-cb.tar.gz 
[13/03/2025 7:11:51 PM] Copying: 1u5t-14g386-cb.tar.gz 
[13/03/2025 7:11:52 PM] Validating: 1u5t-14g386-cb.tar.gz 
[13/03/2025 7:11:52 PM] Copied: 1u5t-14g386-cb.tar.gz 
[13/03/2025 7:11:52 PM] Checking Existing File: PU5T-14G386-BB_1690840002000.TAR.GZ 
[13/03/2025 7:11:52 PM] Copying: PU5T-14G386-BB_1690840002000.TAR.GZ 
[13/03/2025 7:11:52 PM] Validating: PU5T-14G386-BB_1690840002000.TAR.GZ 
[13/03/2025 7:11:52 PM] Copied: PU5T-14G386-BB_1690840002000.TAR.GZ 
[13/03/2025 7:11:52 PM] Checking Existing File: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[13/03/2025 7:11:54 PM] 4U5T-14G381-AN_1552583626000.TAR.GZ exists and validated successfully, skipping copy 
[13/03/2025 7:11:54 PM] Checking Existing File: 4U5T-14G391-DJ_1552513867000.TAR.GZ 
[13/03/2025 7:11:54 PM] Copying: 4U5T-14G391-DJ_1552513867000.TAR.GZ 
[13/03/2025 7:13:10 PM] Validating: 4U5T-14G391-DJ_1552513867000.TAR.GZ 
[13/03/2025 7:13:14 PM] Copied: 4U5T-14G391-DJ_1552513867000.TAR.GZ 
[13/03/2025 7:13:14 PM] Checking Existing File: 4U5T-14G423-DA_123696.tar.gz 
[13/03/2025 7:13:14 PM] Copying: 4U5T-14G423-DA_123696.tar.gz 
[13/03/2025 7:14:08 PM] Validating: 4U5T-14G423-DA_123696.tar.gz 
[13/03/2025 7:14:11 PM] Copied: 4U5T-14G423-DA_123696.tar.gz 
[13/03/2025 7:14:11 PM] Generating reformat.lst
[13/03/2025 7:14:11 PM] Generating autoinstall.lst
[13/03/2025 7:14:11 PM] ALL FILES DOWNLOADED AND COPIED TO THE USB DRIVE SUCCESSFULLY! 

This would be the one that I use and F150Chief recommended in his write up.

With the car being an older model you might want to consider 3.4.21194 or 3.4.21265 for your 3.4 build

Thank you for this information. Will look into that.