Reply to "Tachometer Light"

Gordon NicholsMassachusetts 1993 CMC Supporting Member

Well, first we have to make sure we know the function of that right side light in the tachometer. On my car, right is for the alternator and the LEFT side is for oil pressure.

If it is the alternator light coming on like that, I would suspect a loose fan belt or a loose wire going to the alternator. Check both wires, clean up the connections with light sandpaper and tighten. Check the fan belt for no more than 3/4" deflection when pushing horizontally halfway up the left side.

If it's the oil pressure light coming on, then there's either a loose connection on the pressure sender or else something funky's going on elsewhere.

First, though..... Determine whether it is an alternator or oil light.

6/4/207:17 AM

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