Audio - Electric Antenna Mast Replacement Tool Tip

90bmw20 Group 65 Radio and Accessories
Bulletin Number 65 03 90 (3112)
Woodcliff Lake, NJ October 1990 Service Engineering
Tool Tip

SUBJECT: Electric Antenna Mast Replacement

Situation: The process of turning the radio on and off in order to replace an antenna mast can be a time consuming job.



Solution: A quick connect-disconnect switch can be fashioned that will allow you to run the antenna directly from the trunk.

Required parts

1. Male and female electric antenna connectors from Electrical Repair Kit I
2. Approximately 2 feet of wire
3. Inline fuse holder with 7.5 amp fuse
4. Single pole toggle switch
5. Wire ties
6. Shrink tubing (optional)
7. Female spade connectors (2)
Assemble parts as shown in drawing.

Note: Fuse holder and switch should be placed in the white wire.

Directions for use

1. Disconnect electrical connector at power antenna.
2. Install switching tool.
3. With toggle switch in the off position, turn ignition switch to position 2.
4. Turn radio on.
5. Operate toggle switch as required to replace mast.


Suggested by Frank Costello of BMW Gallery, Norwood, MA.