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Computer Circuit

  1. Disconnect electrical connector from cruise control computer. Check for continuity between computer connector terminal 13 and ground. See Fig 1. If there is continuity, go to next step. If no continuity is present, check for open in wire between connector terminal 13 and ground, and check for faulty ground connection. See WIRING DIAGRAMS .
  2. Check for battery voltage between computer connector terminal 10 and body ground with main switch turned ON. See Fig 1. If there is battery voltage, replace cruise control computer. If voltage is not present, check for open in wire between computer connector terminal 10 and main switch connector terminal 6. See WIRING DIAGRAMS .
Fig 1: Computer Connector Terminal Identification
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