what size speakers are in the dash of a 1990 chevy blazer
this is where i go for any help. youll have to use the suburban but ill be the same. http://www.modifiedlife.com/1990-chevrolet-suburban-factory- stereo-wire-schematic/
i know i fit 4 and 1/4 in mine with a little cutting but you cant go much bigger if you want factory look
took a sawzall and MADE 'em fit!
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