1979-2017 Ford Mustang Diagrams & troubleshooting documentation. Aftermarket Part Reviews, General discussion about Muscle Cars. Search for: Mustang Fuse & Wiring Diagrams. Main menu Skip to content. Home; Mustang Diagrams. 1965-1973 Ford Mustang; 1974-1978 Ford Mustang; 1979-1993 Ford Mustang;. The TS circuit runs (begins) from the fuse box to the Turn Signal switch relay (the cylinder as mentioned above) from there it runs to the Hazard Switch in the dash (Light Blue wire, denoted as LB on diagrams) and then to the Multi Function Switch (the signal lever is known as the MFS, or Multi Function Switch)
![[DIAGRAM] 1965 Mustang Turn Signal Flasher Wiring Diagram MYDIAGRAM](https://lh5.googleusercontent.com/proxy/mX3exo2LLBn95u9_kqVSxQicOhBMosJksnZfZmHRQNyvG5gB0hA2ltoJXw2XL44zbb-EkvXCYJDn9n8QTLL_3W8g9wuEcGZU749OsYZ0FiynJd8qVHBz=s0-d "[DIAGRAM] 1965 Mustang Turn Signal Flasher Wiring Diagram MYDIAGRAM")
![[DIAGRAM] 1968 Mustang Turn Signal Switch Diagram Wiring Schematic](http://repairguide.autozone.com/znetrgs/repair_guide_content/en_us/images/0996b43f/80/25/52/88/large/0996b43f80255288.gif "[DIAGRAM] 1968 Mustang Turn Signal Switch Diagram Wiring Schematic")
![[DIAGRAM] 1968 Mustang Turn Signal Wiring Diagram](https://www.fordmuscleforums.com/attachments/falcon-pages/83514d1409802642-odd-turn-signal-problem-wiring-61-62-147la.jpg "[DIAGRAM] 1968 Mustang Turn Signal Wiring Diagram")
![[DIAGRAM] 1968 Mustang Turn Signal Switch Wiring Diagram](https://lh3.googleusercontent.com/proxy/QnjfF6mw_7rWS8_9PiW3LUx9rZ39gdL0rgwGHJEWMAG1mFSDKDYC4KZ0sBKov8IEQl9QvQeeUTs-9U_TxxGnb_L4uWuzlkC85dTCH1MpNCCShpD1LlEJQ8a85Xa8bDCGZhOdcKNWqUXMQc7mM0TPXw=w1200-h630-p-k-no-nu "[DIAGRAM] 1968 Mustang Turn Signal Switch Wiring Diagram")
the turn signal uses the hazard switch as a bridge for some reason. But anyway i figured mine out. Theres no telling how long this car was without turn signals but someone had been into the wiring on the turn signal switch before and put the orange and yellow wire in the wrong slot so the switch was getting power but in the wrong spot, hence the blinkers wouldn't work. theres one thing for.. For years I have bought wiring diagrams from Helm Inc. on all my new vehicles. I went out to buy a set for this Mustang and they do not offer. I guess the age.. Anyway, bought a Chilton manual and it has some simplified ones for the Mustang. I also downloaded some from a site with some additional information.