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Home >> Volvo >> 2000 >> S70 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Generators & Regulators - Specifications) >> On-Vehicle Testing >> Output Test
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Output Test

WARNING: This page is about a different car, the 2000 Volvo C70 and 1999 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure connections at battery, generator, and starter are clean and tight. Ensure generator, engine and body are properly grounded. Ensure generator drive belt is tight and in good condition.
  2. Connect ammeter following manufacturer's instructions. Connect voltmeter leads to battery terminals. Run engine to 2000 RPM. Adjust carbon pile on tester until voltmeter reads 12 volts. Generator output should be 71-80 amps (80-amp generator), 52-100 amps (100-amp generator), 65-115 amps (115-amp generator), 81-120 amps (120-amp generator). If generator output is low, replace generator.
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