200 Quattro Wagon L5-2226cc 2.22L SOHC Turbo (MC) (1989)
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Instrument Panel Voltage Regulator: Testing and Inspection
Voltage stabilizer, checking
Note: When checking the voltage stabilizer, do not disconnect the battery ground strap or connectors from the instrument cluster.
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connect voltmeter between plus (+) connection 1 and ground 2
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switch ignition ON
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approximately battery voltage
If NOT OK
‹› check wiring using current flow diagram
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connect voltmeter between terminal 3 and ground 2
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9.75V-10.25V
If NOT OK
‹› replace voltage stabilizer
