This article covers troubleshooting 1967 Ford Thunderbird sequential turn signals. The turn signal system has a number of electro-mechanical parts: the turn signal switch, (located in the steering column), a turn signal relay (located under the dash), two warning indicator relays (located behind the seat), a directional relay, stop lamp relay (on early cars) and a motor-driven sequential.. • Relocated wire terminals in the sequential turn signal flasher (Part No. C8SZ-13350-A). NOTE: Earlier parts can be reworked to this level by relocating the internal spade connectors in the flasher assembly as shown in the wiring diagram. • The two jumper wire assemblies at the sequential turn signal relay and flasher are no longer used.
THUNDERBIRD TECHNICAL RESOURCES LIBRARY TECHNICAL INFORMATION SAFETY First a word about taking the proper precautions when working in, on, under, or around a car.. (includes parts and wiring diagram) (model 84MS) •1959 Manual For Factory Radio(White Face) (includes parts and wiring diagram) (model 94MS). •Flairbird Turn Signal Schematic. If a left turn is selected by the Turn signal switch, current is directed to the #7 white wire, or if a right turn is selected current flows through the #8 violet wire. When a turn is selected the turn signal relay disconnects the brake light point from the selected side (right or left) and instead makes a connection with the wires from the.