? ive got a radix equpd 5.3 i work for a shop have a snap on scaner my ?is cant get the scanner to comunicate its only happend since i did the 4l80 e swap any advise if tryied everything in the scan tool manual

 

check the cigarette lighter fuse under the hood.

 

i think the fuse is marked cigar, it also provides power to the aldl port