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I want to change my front turn signals to LED. Can hyper-flashing be turned off by dealer software or do I need to add resistors?
 

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Discussion Starter #3
What are the wire colors I need to tap?? Is t here a good "how-to" video??? I dont even know how to get tot he bulbs as my dealer has always just done it for me. Thanks!
 

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1998 Ford Taurus SE
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There are also replacement flashers available specifically for LED turn signals. A little spendy compared to regular flashers. The resistors create a lot of heat, and you will need one for the right, and one for the left. They can typically be mounted anywhere between the turn switch and the turn bulbs. The LED flasher will be simpler and easier.
 

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It depends on the year of your vehicle.

On my 2011 Limited, the turn blinkers are powered directly from the Smart Junction Box (SJB). There is no flasher relay. The output from the SJB is powered by a Field Effect Transistor (FET). The SJB uses the FET to monitor current load on the output. If a short circuit occurs, there is no fuse, the SJB will use the FET to detect the short and turn off the output. The SJB will log the error and try the output again later. Each failure puts strain on the FET. After a fixed number of failures, the SJB program will determine that the FET has been over stressed and will turn the output off permanently. The SJB will have to be replaced to regain function.
 
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