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boutime
09-19-2005, 02:44 PM
i have a vdo tach? now if it doesn't have the upgrade will it work at all? i had it plugged into the lead behind the alternator(green) but i am getting no reading at all.

Keller
09-19-2005, 03:09 PM
If you don't have the mod, you won't get a reading.

VDO may not do the mods anymore. You may have to get an adapter from Caspers. Talk to them for details. https://www.casperselectronics.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=102007&Category_Code=