my husbands grandfather purchased him that deal i was talking about at walmart and now everything has to change. so i was thinking of a dual battery setup?is there any way this could be found with the trays,cables brackets um the switch, and bolts for under 500 bucks? i went to some wrangler page read up on how to install but when i continued they only had them for fords jeeps exc... but no chevy what do i do?