Indicator Circuit Diagram. Externally the only difference is in the connection for the dash indicator. The problem is there is no single universal way to do it.
Each led will work just a half cycle of the input signal only. Later the 4 terminal flasher relay was replaced with a somewhat simpler 3 terminal design. Hostel wiring circuit diagram and working it can be used to find the exact location and room where the guest needs attendant help.
Battery charge indicator circuit design.
Working water level indicator. This diagram shows the turn signal flasher circuit in its simplest form. Both leds are connected in parallel is a different polarity. Battery charge indicator circuit design.
