The owner's manual fails (miserably) to mention turn signals. However, apparently fuse F8 controls multiple functions, including the turn signals. See below for more details.
"The HEADLAMP SWITCH grounds a signal in the SMART JUNCTION BOX. Within the smart junction box is a PARK LAMP RELAY whose input is hot all times. After the relay is 15A fuse F8. It feeds the side lamps, park/turn lamp license lamps turn signal hazard lamps, reversing lamps. When the lights are on F8 should show 12 VDC. When the lights are left on without the car running the "no dead battery" function turns off power after 30 minutes.
Using a volt meter see if there is power to fuse F8. If not it is probably the Park lamp relay. There is no power going to the headlamp switch, it only grounds some smart part of the SMART JUNCTION BOX."
On a 2006 Ford Freestyle, the turn signal flasher is typically located in the fuse panel, which is positioned under the dashboard on the driver's side. You may need to remove the cover of the fuse panel to access the flasher. It's often a small rectangular component that can be pulled out and replaced if necessary. For specific details, consulting the owner's manual can provide additional guidance.
Fuse panel. Look in your owner's manual.
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Fuse #7 is the turn signal circuit. 10 AMP. 2nd fuse fron the left in the 2nd row from the top.
in the fuse box, its numbered 22 and is a 15 mp fuse
Check fuse and turn signal flasher relay.
On a 1996 Ford Bronco the turn signal flasher is plugged in to the fuse box
Check the fuse for the wipers and replace the turn signal bulb.
Check fuse Replace turn signal flasher
On the top side of the fuse panel, drivers' side beneath the dash. Location #5 should be the 15 amp fuse for the turn signal.
Check or replace turn signal flasher
Left side dash panel, fuse number 4, 14 amp.