Midland Radio 77-104XL manual Mechanical mounting, Power wiring negative ground only

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Your new Midland CB is designed to be installed under the dash or vertically on a console of your vehicle.

Safety and convenience are the primary considerations in deciding exactly where to locate your radio.

Caution: Be sure that the unit is located so that it does not interfere with the driver, supplemental restraint systems (air bags), or impair access to any controls. Connecting cables must be routed and secured in such a manner as not to interfere with the operation of the brake, accelerator or other controls. Interference from either the unit or connecting cables may contribute to the loss of control of the vehicle.

Mechanical mounting.

Step 1: Heeding the caution, use the mounting bracket as a template for marking the location of screw holes under the dash. Use an awl, nail or other sharp pointed object to mark the metal.

Step 2: Drill a 1/8” hole for each screw hole in the mounting bracket. Attach the bracket to the dash with the Phillips head sheet metal screws provided.

,Extreme care should be exercised when drilling into the dash to avoid damage to under-dash electronic ignition, cruise control, instrument and / or accessory wiring.

Step 3: Position the main unit between the bracket arms in line with the retention knobs. Set the angle for optimum operating comfort and accessibility.

Step 4 Tighten the retention knobs

Power wiring ( negative ground only).

Step 1: If you have not determined whether your vehicle has a negative or positive ground, do so now. Then disconnect the negative lead from the battery to prevent short circuits that can occur during wiring. Do not connect this transceiver to positive ground electrical systems.

Step 2: With negative ground

A.connect the positive (RED WIRE) the one with in-line fuse holder to either the ( a ) fuse block, ( b ) cigarette lighter, or ( c ) directly to the positive post on your battery.

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Contents 77-104XL Owners Guide Channel mobile citizens band transceiverWelcome to the world of Midland electronics Where to locate your CB transceiver How to install your Midland mobile CBMidland 77-104XL CB Operating controls Power wiring negative ground only Mechanical mountingInstallation of microphone hanger AntennaAntenna installation Tuning your antennaFactors affecting CB range NoisePage Front Panel Controls Back PanelHOW to Operate Your Transceiver Technical SpecificationsService Limited Warranty