Cable Splitter Line Types and Classification
2025-11-10
By core count:
Single-core wire: simple in structure, low in cost, and suitable for economy-class vehicles.
Multi-core wires (three-core, four-core): Increasing the number of cores reduces resistance and enhances ignition energy, but may also lead to electromagnetic interference, requiring additional shielding design.
By matched engine type:
Four-cylinder engine coil-on-plug system: Commonly found in passenger cars, typically featuring four independent wires.
Six-cylinder/eight-cylinder engine coil-on-plug system: Its structure is more complex and requires precise matching of the ignition sequence.
Special vehicle harness lines—for models like turbocharged engines or high-performance vehicles—may feature customized designs to accommodate higher voltage requirements.
By integration method:
Independent coil-on-plug wires: A traditional design where each wire independently connects the ignition coil to the spark plug.
Integrated ignition coils: A modern vehicle trend that integrates the ignition coil directly above the spark plug, with a separate coil for each cylinder—eliminating the need for individual distributor wires. This design enhances ignition efficiency while reducing potential failure points.
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