Civic GX Sedan L4-1.6L CNG (1998)
The connector cavity number is listed next to each terminal on the circuit schematic. The cavity / terminal shown is # 6.
Diodes
A rectifier diode works like a one way valve. It allows current to flow only in the direction of the arrow.
A Zener diode blocks reverse current at normal voltages just like a rectifier diode. At high voltages, however, a Zener diode allows current to flow in
reverse.
Fuses