FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Check the Amplifier Grounding




Check The Amplifier Grounding

















- Connect test lamp 86 11 857 between B+ and pin 21 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 - IV

YES - Continue with Check The Amplifier Grounding.

















- Connect test lamp 86 11 857 between B+ and pin 22 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 - V

YES - Check the Lead For the Trigger Voltage to the Amplifier