Odd Tach behavior
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Instructor
Joined: Apr 2017
Posts: 205
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Odd Tach behavior
1975 Coupe....
New tach board, zero set.... installed in car now.... it appears to be accurate (more or less), but when you turn off the motor, the needle stays where it was when the motor was turned off.
If you turn the ignition back on, the tach zeroes out as it should.
Not sure why it doesn't zero out when the motor is turned off.
Normal, or possessed?
Thanks,
Len
New tach board, zero set.... installed in car now.... it appears to be accurate (more or less), but when you turn off the motor, the needle stays where it was when the motor was turned off.
If you turn the ignition back on, the tach zeroes out as it should.
Not sure why it doesn't zero out when the motor is turned off.
Normal, or possessed?
Thanks,
Len
