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Home >> Mercedes Benz >> 1994 >> C280 >> Repair and Diagnosis >> Electrical >> Charging Systems >> Generators & Regulators >> Testing >> On-Vehicle Testing >> Wiring Continuity

Wiring Continuity

  1. Connect voltmeter between alternator B+ terminal and ground. Voltmeter should indicate battery voltage. If battery voltage is not indicated, check battery and check wiring between alternator and battery for corrosion, loose terminals, etc.
  2. Turn ignition on and ensure instrument cluster charge indicator light (battery symbol) comes on. If light does not come on, check wiring between alternator and warning light, including indicator bulb.
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