mike37
08-15-2005, 05:32 PM
we just hooked up a tach in my sons car
and it works but the needle will jump like 200 rpms and back
not a gradual surge it spikes
if I hook my tuner tach to the car the spike stops
any one know whats up or had this happen
and it works but the needle will jump like 200 rpms and back
not a gradual surge it spikes
if I hook my tuner tach to the car the spike stops
any one know whats up or had this happen