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Motorola TLN2660A (Standard) User Manual page 2

External (amplified) speaker mods

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An external speaker is required for some models or when V.S.P. or V.S.P. II hands-free operation is implemented. The
speaker should be mounted under the dash, on the transmission hump, or other suitable location using the mounting
bracket supplied with the speaker assembly. Figure 1 shows a typical external speaker and its mounting hardware.
Do not install the speaker unsupported to prevent shifting of the speaker which could interfere with
the proper operation of the vehicle. If available, always use the supplied mounting hardware.
The speaker housing is electrically insulated from the mounting bracket by insulating washers. Take
precautions to prevent the speaker housing from contacting any metal in the vehicle, such as the
dashboard or firewall. The speaker housing is internally connected to ground, and contacting any external
metal will cause a ground loop which may introduce alternator whine or other undesirable interference.
Step 1. Loosen the two wing nuts (one on each side) several turns and remove the mounting bracket from the speaker.
Step 2. Temporarily position the speaker and mounting bracket to verity the desired mounting location. Make sure that
the speaker will not interfere with the operation of the vehicle (preferable placement is on the passenger side of
the vehicle) and that the speaker front is not blocked by sound absorptive material. Using the mounting bracket
as a guide, mark two holes on the transmission hump or other selected location. The two mounting tabs on the
bracket are somewhat flexible to conform to a curved surface as necessary.
Step 3. Using an awl or similar device, open two holes in the carpet at marked locations. This must be done prior to
drilling to avoid running the carpet.
Step 4. Using a 4mm (5/32") bit, drill the two mounting holes and secure the bracket using the two 10-16 x 5/8 tapping
screws (3-136756) provided.
Step 5. Mount the speaker to the mounting bracket. Ensure that at each mounting position the self-adhering insulating
washer is on one side of the bracket and the insulating shoulder Washer is on the other side of the bracket (as
shown in Figure 1). Securely tighten the two wing nuts.
EXTERNAL SPEAKER INSTALLATION
Models: TLN2660A (Standard)
TLN2661 B (V.S.P.)
Figure 1 - External Speaker Installation Detail
MOTOROLA Inc.
SSN2005B (V.S.P II)
SSN2008A (V.S.P)
CAUTION
NOTE

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