<VV> Idiot Lights Out

[Mikeamauro at aol.com]

The Brake Warning, and the Gen-Fan lights have quit working in my 67  
(Oil-Temp still OK). R & Red the dash to install a clock several months ago  and 
replaced all the bulbs at that time. All was well until recently. As it is a  
powerglide, and unless I really need to, I'm not into struggling with the PG  
cable, et al, to remove dash to checks bulbs. What is the best process of  
elimination to determine if the problem really is the bulbs W/O pulling the  dash? 
Perhaps ohm the bulbs in place and, if so, where are the closest  connection 
terminals in a reasonably accessible location? Do these indicators  have a 
dedicated ground, or socket ground? I seem to recall the Gen-Fan socket  having two 
wires connected???
 
Thanks in advance for any suggestions provided,
Mike Mauro