Checking the Ground Lead

Checking the Ground Lead







- Remove component: Glove box lighting

















- Connect test lamp 86 11 857 to B+ and pin 2 (BK, black lead).







- 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 - I

YES - Checking the Power Supply