inop tachometer/need new tach?

[Kent McLean]

AUDIJIM at aol.com wrote:
 > I found that if I pull the hand brake (emergency brake)
 > and the "Brake" light indication illuminates on the cluster,
 > the Tach works.

Does you car have a rear cigarette lighter?  I seem to recall
that a failing rear lighter causes all sorts of odd electrical
behavior.  I don't know if it would affect the tach.

--
Kent McLean
'94 100 S Avant, "Moody"
'89 200 TQ, "Bad Puppy" up in smoke