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Home >> Chevrolet >> 2014 >> Spark LT, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System >> Diagnostic Information and Procedures >> DTC B3950 or B3951: Rear Turn Signal Circuit >> Diagnostic Aids

Diagnostic Aids

When testing at the turn signal lamp bulb socket, make sure all measurements and test lamp connections are in the correct terminal location and do not come in contact with each other during testing.