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Oem F-150 2021 Turn Sinal Light Mirrors with Hotspot wont turn on a F-150 STX 2021

maee30

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Angel
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Hi I recently changed oem mirrors from my Ford F-150 STX 2021 to Oem Non towing mirrors with Turn SIgnal Lights and hot spot. They are manual fold. From what I was told from person who installed them plug seemed to fit with no problem but turn signal light still wont turn on. Do I need to add an extra cable,fuse, or get a harness or will it require a forscan change. Any help would be appreciated to get them to work. Thanks

 

My42waffles

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If your old mirrors did not have the option it would need to be turned on with forscan. Changes will need to be made in both ddm and pdm
 

 
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