Doc,  Adam  
great info once again. Is the Giac program something I can buy?  I thought about playing with some of the mapping. Mostly I would like to read my own codes and trouble shoot and reset.  I have a five years old battery that I am considering changing. I read in the bently book that there might be issues with disconnecting and may need to reset some codes as well as a bunch of other crap Ie window settings and the other list of things.  Which brings about another question can I plug one of those cigarette lighter battery backups in and do the battery switch (quickly) with out damaging anything and also not losing power(above issues as well as reseting the radio) .   The snow is falling here so Im playing in ther garage alot...          THNAKS............................
   
		 
		
		
		
		
		
		
			
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				Badboy S
2000 Porsche Box S arctic silver 
2007 Sierra Crew Cab Z71 
1995 Honda Civic *Track Toy* 
1971 Olds Cutlass Convertible 
1968 Camaro SS 396 4 speed 
2000 V Star 1100
   
			 
		
		
		
		
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