The common fault of car line: between the connector contact, short circuit, open circuit, wire bonding etc..

The reasons are as follows:

(1) nature damage

The wiring harness terminal oxidation, deformation, resulting in poor contact,causing electrical equipment can not work normally.

 (2) damage to the wire beamcaused by the fault of electrical equipment

When the overload, short circuit, electrical equipment grounding fault, may cause the wire beam damage.

When the overload, short circuit, electrical equipment grounding fault, may cause the wire beam damage.

(3) human failure

Assembly or maintenance of auto parts, metal objects the wire harness is crushed,the wire harness insulation layer rupture; wire beam position; lead position wrongelectrical equipment; the battery positive and negative electrode wire

Reversed; repair the circuit fault, chaos, chaos to cut the wire bundle of wires, can cause electrical equipment is not working properly, or even burn out the wire harness.