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July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Theory Of Operation

GC0158095Courtesy of CHRYSLER GROUP, LLC

The purpose of the following procedure is to demonstrate how to check the operation of a generic ground circuit with a test light.

NOTE:

The circuit shown in the illustration is an example, and is intended for demonstrational purpose only. 

The following are circuit tests covered in this procedure:

NOTE:

Perform the following test using a known good test light or functioning multimeter. 

Possible Causes
OPEN GROUND CIRCUIT (CHAFED, PIERCED, PINCHED OR BROKEN WIRE)
OPEN IN-LINE CONNECTOR (BENT, PUSHED OUT OR CORRODED TERMINALS)