wrong everypone if you look on the website and the owners manual it works and that the model
http://resources.jvc.com/Resources/00/01/50/LVT2180-001A.pdf
is this one any good?
http://cgi.ebay.com/ebaymotors/RED-DIGITAL-LED-12V-CAR-AUDIO-VOLTMETER-VOLTAGE-GAUGE-_W0QQcmdZViewItemQQhashZitem5ad83b9dd0QQitemZ390174842320QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories#shId