Duties and Responsibilities • Install direct replacements of in-dash audio/video source units retaining functionality of existing factory installed electronics and features with the use of wire harness and antenna adapters, dash kits, and other commercially available integration devices. • Install speakers in factory supplied locations, either direct replacement or with adapters so fit and function are factory like. • Install audio amplifiers with high current power wiring, proper circuit protection, signal input, and output wiring configurations. • Install subwoofers into pre-fabricated enclosures. Properly wire single and dual voice coil subwoofers to the required resistance configuration for the amplifier(s). • Install plug-and-play interface and adapter devices for adding various source components such as portable media players, DVD players, Satellite or HD Radio, etc. • Install communication antennas for GPS, Satellite Radio, Data Systems and other devices without compromising the exterior fit and finish of the vehicle. Knowledge, Skills, and Ability • Thorough knowledge of taking voltage and low current measurements on vehicle electrical systems and aftermarket mobile electronics equipment with a digital multimeter and what the expected normal results should be. • Knowledge and understanding of Ohm's Law and Watt's Law and basic math (addition, subtraction, multiplication, and division) to combine with electrical measurements taken using a DMM. • Thorough knowledge of electronic components such as automotive SPDT relays, silicon diodes, resistors, and switches. • Thorough knowledge and understanding of series and parallel wiring practices and load calculations. • Thorough knowledge in the use of of various commercially available installation accessories such as dash kits, wiring harnesses, antenna adapters, speaker adapters, line output converters, specialty interfaces for OEM premium audio system replacements, audio patch cables, high current power/ground wiring, circuit protection devices, etc. • General knowledge of security system components and general functionality (including brain, siren, sensors, input/outputs, programmable features, etc.) • General knowledge of remote starter system components (such as high current ignition wiring and transponder interface devices) and important installation considerations (such as hood pin/brake switch safety and common programmable features). • Thorough knowledge of mobile video and rear seat entertainment system components and how they interconnect. Also a thorough knowledge of direct replacement headrest and overhead video screens install. • General knowledge of Bluetooth applied to hands free communication devices for the vehicle. • General knowledge of the Global Positioning System (GPS) operation and how common devices that receive a GPS signal operate in an in-vehicle application. • Exceptional skill to use a personal computer, internet browser, and various technical support software resources. • Exceptional skill to disassemble vehicle interiors without damaging the vehicle or the interior components or where to locate information if disassembly procedure is unknown or not evident. • Excellent ability to establish priorities and work without supervision. • Ability to diagnose and resolve common installation errors through routine troubleshooting before calling on technical support resources.