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System Check Chart D-2: Data Circuit Grounded

You have been directed to this chart from SYSTEM CHECK CHART D: DATA CIRCUIT PROBLEM  because there is a short to ground on circuit 800. This chart will help you determine where the short circuit is located.

NOTE: The following step numbers refer to circled numbers on diagnostic chart. See Fig 1 . For circuit identification, see Figure .
  1. This chart is set up to subdivide the 800 circuit piece by piece until the location of the short is found.
Fig 1: Identifying System Check Chart D-2: Data Circuit Grounded Flow Chart
G00114193Courtesy of GENERAL MOTORS CORP.