I have a 1995 Nissan Maxima SE. My tachometer keeps going into the red zone. I just had my heater core replaced.
Nov 12, 2010 at 11:48 PM
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KHLOW2008
CAR REPAIR CONTRIBUTOR
41,814 POSTS
Tachometer is for engine rpm and if it is erratic after the replacement of the gheater core, the most likely cause would be a loose wire connection behind the meter cluster.