The Haynes manual wiring, fuel, and exhaust diagrams are absolutely worthless for the 81 Brat as far as we can tell. It definitely did not match our headlight circuit. And the carburetor diagram for the Hitachi carburetor is nothing like reality on that car. One other thing, the Haynes manual was where we got the 30A fuses.
Anyway, if you know how to fix the turn signals, let us know.