Cobra 29 WX NW ST User Manual - Page 3

29 WX NW ST manual 3.3 6/15/99 2:53 PM Page 4 Installation Installation Note Before installing the CB radio, visually check the vehicle's battery connection to determine which terminal, positive or negative, is grounded (positive is the larger of the t wo) to the engine block (or chassis).A negatively grounded vehicle has its negative lead grounded to the chassis. Note Connecting to an accessory fuse prevents the unit from being left on accidentally, and also permits operating the unit without running the engine. Note In positive ground vehicles the red wire goes to the chassis and the black wire is connected to the ignition switch. Note When connected to an accessory fuse, unit will self test the emergency weather alert automatically when ignition is turned on. Turns itself on & off. 4 In a negative grounded vehicle, connect the red lead of the DC power cord to an accessory 12 volt fuse. 5 Connect the black lead to the negative side of the vehicle. This is usually the chassis. Any convenient location with a good electrical contact (remove paint) may be used. 4 6 Plug power cable into back of unit mar ked "Power". Be sure to observe polarity markings. 7 Mount the microphone bracket on either side of the unit (driver's left) using two screws supplied. Bracket should be placed under the dash so microphone is readily accessible. 8 Attach the 4-pin microphone cable to receptacle on front of unit and Install unit in bracket securely. 5