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Original EXUP Servomotor Assembly
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Condition
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Voltage Signal Amplitude
Representative Of EXUP Valve
Position (white/red wire)
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Tachometer
Diagnostic
'Tach Tango'
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Ignition On,
Engine Off
|
0.4 volts D.C.
|
No
|
|
Engine @ idle
|
0.8 volts D.C.
|
No
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6th Gear Cruise @
Ind. 55 MPH
|
1.0 volts D.C.
|
No
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6th Gear Cruise @
Ind. 85 MPH
|
1.3 volts D.C.
|
No
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'Pegged' @
Ind. 150 MPH
|
2.3 volts D.C.
|
No
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7.5K Ohm Resistor or Jumper-Wire
|
Condition
|
Voltage Signal Amplitude
Representative Of EXUP Valve
Position (white/red wire)
|
Tachometer
Diagnostic
'Tach Tango'
|
Ignition On,
Engine Off
|
0.5 volts D.C.
|
Yes
|
|
Engine @ idle
|
2.9~3.5 volts D.C.
|
No
|
6th Gear Cruise @
Ind. 55 MPH
|
4.5~5.5 volts D.C.
|
No
|
6th Gear Cruise @
Ind. 85 MPH
|
5.5~6.5 volts D.C.
|
No
|
'Pegged' @
Ind. 150 MPH
|
7.0~8.0 volts D.C.
|
No
|
Sam's Servo Sub
|
Condition
|
Voltage Signal Amplitude
Representative Of EXUP Valve
Position (white/red wire)
|
Tachometer
Diagnostic
'Tach Tango'
|
Ignition On,
Engine Off
|
0.4 volts D.C.
|
No
|
|
Engine @ idle
|
0.8 volts D.C.
|
No
|
6th Gear Cruise @
Ind. 55 MPH
|
1.1 volts D.C.
|
No
|
6th Gear Cruise @
Ind. 85 MPH
|
1.3 volts D.C.
|
No
|
'Pegged' @
Ind. 150 MPH
|
2.3 volts D.C.
|
No
|
|