Owners: Mr. Wang
Model: Hyundai Sonata
car audio conversion project: the installation of a subwoofer.
Problem:
1 subwoofer directly connected to the common power supply circuit.
2, the bass line of control and power cathode connected together, when the key is unplugged, the subwoofer lights were still bright.
Hazard:
1, ordinary car stereo\\ s power cord is generally unable to meet the needs of car subwoofer, this link is easy to cause a short circuit, the light will accelerate the aging of the circuit, leaving for future long-term use of circuit problems.
2, low long-term cause and effect of electric gun is no problem in theory, but any electrical appliances are likely to random failure, once a serious problem affecting the power supply circuit, the car unattended, the problem can be thought of
With knowledge.
The right connection: exclusive use of car audio power cable, power lead from the battery. Within 30 cm away from the battery check access a waterproof fuse box. Power cable through the firewall should be reinforced insulation. In order to prevent aging of the power cord, power cord should be put on the whole line flame retardant snakeskin casing. Solder joints should be rinse process, associated with the battery or the power amplifier should be used when lines the nose.