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1966 Mustang gauges not working

456 Views 7 Replies 5 Participants Last post by  crwalker54, 
C
When I turn the key the gas gauge moves up from all the way left to resting on e, the oil jumps all the way up and when I start the car it slowly goes all the way to the left, the speedo works, and amps and temp dont move at all
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Knowing what is left and right is an issues with out a picture.

The temp, fuel and oil guages operate on reduced voltage. That voltage is reduced by an Instrument Voltage Regulator. (IVR)
If there is an AMP gauge, it is wired between the alternator and battery. See attached
Font Schematic Engineering Parallel Auto part
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