[MRCA] NE-47 Substitute

[W7QHO at aol.com]

Jeep, et-al

The common NE-48 and RCA 991 lamps can be modified as follows for use in the 
GRC-9, BC-1306, etc.

First, melt the solder out of one of the two base contacts.   Then, pry out 
the ferrule being careful not to break off the associated wire lead, and crush 
the area on the glass base insulator between the opening where the ferrule was 
and the brass shell.   A pair of small, sharp diagonal cutters work fine for 
the latter two operations.   Finally, bend the exposed wire lead over to the 
base shell and solder in place.   The remaining base contact is off-center but 
will still mate with the contact in the bulb socket, at least in the GRC-9.   
I have performed this operation several times always with good results.

Dennis D. W7QHO
Glendale, CA



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