I had a bit of an under dash wiring loom smoke up on my '66, the turn indicator/horn wiring loom has rubbed against the steering column tube where it enters down the tube, and eventually shorted out. I've replaced the burnt out sections of wiring and heat shrunk the repairs. Now I have no turn indicators. There appear to be two flasher unit cans, one under the steering column, and one on the other side of the car underneath the heater. Both have power to them, and all the fuses are ok. Any ideas please ??