Toyota Starlet Ep91 Wiring Diagram Online

Pin 7 on the ECU connector (E5, gray, 22 pins, top row) → Yellow/Black wire → Goes to the ignition coil negative terminal. That’s your tach signal, not your problem. Good.

The diagram just saved you $500 in guesswork. That resistor pack is dead. Four resistors, one common failure—cracked solder inside from heat cycles. You don’t replace it. You can’t afford one. Instead, you bridge the resistor pack temporarily—the diagram shows you exactly which pins to jumper. It’s not correct, it’ll run rich, but it’ll run . Toyota Starlet Ep91 Wiring Diagram

You dig out a test light—barely brighter than a firefly—and probe the injector connector while your buddy cranks the engine. Nothing. No flash. No pulse. Pin 7 on the ECU connector (E5, gray,