Jensen 840, 1150, 420 Installation Assistance Supplies and Tools Needed, Location and Mounting

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PowerPlus Amplifiers

Installation

Before you begin the installation of your PowerPlus series amp remember, there are two ways to do things – right and twice! Use the proper installation techniques, tools and accessories to ensure that your Jensen PowerPlus series amp will put out all the power it was designed to. If necessary, seek a professional installer to have the amplifier installed correctly. Most mobile amp installations do not have the proper gauge wire for power and ground – do not let your amp be a victim of this common installation oversight!

NOTE: This device is a high-power audio amplifier intended for installation in vehicles with a 12-Volt negative ground electrical system. Attempting to connect or operate the amplifier with another type of electrical system may cause damage to the amplifier or the electrical system.

Installation Assistance

For installation assistance, call 1-800-323-4815 during normal business hours, or visit www.jensen.com at any time.

Supplies and Tools Needed

To install the amplifier, you will need tools, supplies and adapters. It is best to make sure you have everything you need before you start.

going to the vehicle chassis) and make sure the battery is grounded to the chassis with at least a #8 gauge wire. Also check the alternator connections, making sure they are tight and free from corrosion, rust or dirt.

Location and Mounting

The amplifier’s compact design allows great flexibility in mounting. Common mounting locations include under the front passenger seat or in the trunk area.

When selecting a location, remember that amplifiers generate heat. Select a location on a flat surface away from heat and moisture where air can circulate around the amplifier.

Place the amplifier in the mounting location and mark the positions of the holes with a marker, pen or pencil. Carefully drill the mounting holes in the marked positions, then use the supplied mounting screws to securely fasten the amplifier to the mounting surface.

WARNING: Do not cover the amplifier with carpets or enclose it behind interior trim panels, and do not mount the amplifier in an inverted or upside down configuration. Be sure the mounting location and the drilling of pilot holes will not damage any wires, control cables, fuel lines, fuel tanks, hydraulic lines or other vehicle systems or components.

Supplies

Black electrical tape

Amplifier Installation Kit

Tools

Cordless drill with assortment of bits

Flat-head and Philips screwdrivers

Wire cutters/strippers

Crimping tool

12-volt test light or digital multimeter

Wire brush, sandpaper or scraping tool (ground connection to vehicle should be a clean, unpainted metal surface)

Routing Wires

Proper wiring connections are illustrated on the following pages. If wiring connections are made incorrectly, the unit will not operate properly and could become permanently damaged. Follow the installation instructions carefully, or have the amplifier installed by an experienced technician.

Disconnect Battery

Disconnect the negative (-) battery cable before starting the installation. Check the battery ground (there should be two (2) ground wires coming from the battery – one going to the starter mounting bolt or engine block and another

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Contents PowerPlus Amplifiers Introduction Warranty ServiceBefore You Begin Specifications Features and SpecificationsPower Output Installation Installation Assistance Supplies and Tools NeededRouting Wires Disconnect BatteryPower Wiring Power Terminal +12V/B+Charging System Remote Terminal REMReplacement Fuse Requirements Fuse Ground Terminal GNDPowerPlus 900/1150 Speaker WiringPowerPlus 420/1302 PowerPlus 840/1304 Four SpeakersTwo Speakers and Bridged Subwoofer Two SubwoofersInput Wiring PowerPlus 420/900/1150/1302Connecting Additional Amplifiers Indicators and Controls Testing Reconnect BatteryTest Power Wiring Remote Input Level ControlTroubleshooting Problem Possible Cause Corrective ActionCEA Power Output RMS Power Output @ 1% THD+N, 14.4VDC