9-3 (9440) FaultTrace Mode

Checking the ground lead.

Connect test lamp 86 11 857 between B+ and pin 1 of the male connector.

• Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

The test lamp should light.

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