If a diagram shows "B/Y" at pin 3 of the ignition switch, you know it should have 12V when the key is turned to "ON."
"Exactly," Karim nodded. "The insulation has melted. The constant 12-volt line for the headlights is shaking hands with the horn output. It’s a conversation they shouldn't be having." proton wira wiring diagram
The Proton Wira is a popular Malaysian car model produced by Proton from 1993 to 2004. It was the company's first export model and gained a reputation for its reliability, spacious interior, and affordable price tag. With over 200,000 units sold worldwide, the Proton Wira remains a common sight on roads today. If a diagram shows "B/Y" at pin 3
Proton Wira wiring diagram varies by engine model (e.g., 4G13, 4G15, 4G92) and year, typically covering the engine management, ignition, and power distribution systems. For comprehensive repairs, you can refer to the Proton Wira Engine Workshop Service Manual It’s a conversation they shouldn't be having
Locating the right fuse or relay is the first step in troubleshooting any wiring issue:
: Each wire usually has a tag number or color code that helps you trace it from the diagram to the actual harness in the car.