BLACK BOX for ur speedo
03-29-2009, 09:35 AM
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JK Newbie
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BLACK BOX for ur speedo
I have a 09 X with 37's does does anybody have any info on the so called BLACK BOX,,,that so calls reconfiges my comp so i will have the right speed or will i just have to use my gps
03-29-2009, 09:59 AM
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JK Super Freak
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Easiest and cheapest option is the AEV Procal. $129 plus shipping I believe. Pick one up from David at Northridge4X4 here on the site and in mins your speedo will be accurate and you've got other options, like adjusting the TPMS settings, day time running lamps, etc, etc.