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Pinpoint Test DA

  1. Ensure engine oil pressure is okay. Disconnect wire to oil pressure sender. Connect jumper wire from connector to ground. Turn ignition on. If gauge indicates normal, replace sender. If gauge indicates low, remove jumper. Go to next step.
  2. Disconnect battery ground cable. Remove EIC. See ELECTRONIC INSTRUMENT CLUSTER (EIC) R & I  under REMOVAL & INSTALLATION. Check for continuity between EIC 12-pin connector pin No. 1 (White/Red wire) and wire to oil pressure sender. If continuity exists, go to next step. If continuity does not exist, repair open in White/Red wire.
  3. Disconnect battery ground cable. Check for continuity between oil pressure sender case and battery ground cable. Replace EIC if continuity exists. If continuity does not exist, repair loose or corroded engine ground connections.
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