ANTENNA BODY AND CABLE
DESCRIPTION - Fixed Mast Antenna
The antenna body and cable are secured below the fender panel by the antenna cap nut through a mounting hole in the side of the right front fender. The primary coaxial antenna cable is then routed beneath the fender sheet metal and through an entry hole in the right cowl side panel into the interior of the vehicle. Inside the vehicle, the primary coaxial cable is connected to a secondary instrument panel antenna coaxial cable with an in-line connector that is located behind the right end of the instrument panel. The secondary coaxial cable is then routed behind the instrument panel to the back of the radio.
DESCRIPTION – Roof Mounted Antenna
The roof mounted antenna is a combination antenna that is used for the reception of Amplitude Modulation (AM) frequencies, Frequency Modulated (FM) frequencies and Satellite signals for the Digital Satellite Radio. The primary coaxial antenna cable is then routed through an entry hole in the roof panel into the interior of the vehicle. Inside the vehicle, the primary coaxial cable is connected to a secondary instrument panel antenna coaxial cable with an in-line connector that is located behind the right end of the instrument panel. The secondary coaxial cable is then routed behind the instrument panel to the back of the radio.
OPERATION
The antenna body and cable connects the antenna mast to the radio. The radio antenna is an electromagnetic circuit component used to capture radio frequency signals that are broadcast by local commercial radio stations in both the Amplitude Modulating (AM) and Frequency Modulating (FM) frequency ranges. These electromagnetic radio frequency signals induce small electrical modulations into the antenna as they move past the mast. The antenna body transfers the weak electromagnetic radio waves induced into the rigid antenna mast into the center conductor of the flexible primary antenna coaxial cable. The braided outer shield of the antenna coaxial cable is grounded through both the antenna body and the radio chassis, effectively shielding the radio waves as they are conducted to the radio. The radio then tunes and amplifies the weak radio signals into stronger electrical signals in order to operate the audio system speakers. For more information on the satellite radio operation of the roof mounted antenna, Refer to (Refer to 8 - ELECTRICAL/AUDIO/ANTENNA MAST - OPERATION)
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Remove antenna mast by unscrewing mast from antenna body. On vehicles equipped with manual retractable antenna, lower antenna fully.
3. Remove shroud (1), if equipped.
4. Remove antenna nut (2) and adapter (3)
5. Disconnect antenna body cable from instrument panel antenna cable.
6. Remove inner fender shield as necessary to gain access to mounting fasteners.
7. Remove antenna body and cable (2) assembly from fender (1)
INSTALLATION
1. Position antenna body and cable assembly (2) into fender (1).
2. Insert antenna cable through the opening in fender.
3. Seat the grommet in the side panel and connect the cable to the instrument panel harness connector.
4. Install antenna nut (2) and adapter (3).
5. Install shroud (1), if equipped.
6. Install the inner fender shield.
7. Install antenna mast. Tighten to 5 N·m (46 in. lbs.). Ensure that the antenna mast is fully seated on antenna base and that there is no gap between the mast and base.
8. Connect the antenna cable to the instrument panel antenna cable.
9. Install the right side cowl trim panel.
10. Connect the battery negative cable.