FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Checking the Power Supply




Checking the Power Supply












- Connect test lamp 86 11 857 between pins 1 (GN/BU, green/blue lead) and 2 (BK, black lead) on the female connector.







- The test lamp should light.

Checking the wiring harness.
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness. Observe the multimeter, test lamp or diagnostic tool while doing this.

Is the function correct?

NO - Rectifying the Lead - II

YES - Changing Components