msd 6al box, tack don't work!!!!
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msd 6al box, tack don't work!!!!
Well I installed the msd6al box on my 454 mag and now the tach doesn't work ,I was told about an adapter for the tach lead but thought I would check here 1st before I called msd.The boat is a 92 checkmate convincor 251 with the vdo style gauges they don't have a name on them .
thanks alot
thanks alot