Mustang Polarity Reverse For LED Flasher 1965-1969
Polarity Reverse for LED Flasher on 1965-1969 Mustangs.
If you cannot get your turn signals/flashers to work after installing a two terminal LED flasher (HW2811), then you need a polarity reverse. Should be used with PLLED1 and TLLED12, TLLED13 or TLLED14.