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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Engine Controls - Tests W/Codes - 2.5L) >> No-Start Tests >> Test NS-9A - Repairing No Crank Condition

Test NS-9A - Repairing No Crank Condition

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For circuit and connector terminal identification, see CONNECTOR IDENTIFICATION  . For wiring diagrams, see WIRING DIAGRAMS  section.
  1. If vehicle is equipped with a manual transmission, go to TEST NS-9B. If vehicle is equipped with an automatic transmission, ensure transmission is in Park.
  2. Using scan tool, read Park/Neutral Position (PNP) switch sense. If PNP switch senses park, go to next step. If PNP switch does not sense park, repair open PNP switch ground.
  3. Disconnect starter relay. Put scan tool in voltmeter mode. Using scan tool, check voltage on starter relay connector Red/Yellow wire. If voltage is less than 10 volts, repair open in appropriate wire. Perform TEST VER-1.
  4. If voltage is more than 10 volts, using an external voltmeter, check voltage on starter relay connector Yellow wire. Hold ignition switch in RUN position while observing voltmeter. If voltage is less than 10 volts, repair open Yellow wire. Perform TEST VER-1.
    WARNING: Engine may crank in following step. Keep away from moving engine parts.
  5. If voltage is more than 10 volts, ensure transmission is in Park and parking brake is set. Briefly connect jumper wire between starter relay connector Red/Yellow wire. Go to TEST NS-9C.