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Test B: Integrated Circuit Display(S) Inoperative Or Erratic

  1. Disconnect negative battery cable. Disconnect instrument cluster harness connector C250. Remove fuse No. 12 (5-amp) from instrument panel fuse box. Measure resistance between ground and output side of fuse No. 12. If resistance is greater than 10 k/ohms, go to next step. If resistance is 10 k/ohms or less, repair short to ground in Red/Yellow wire.
  2. Measure resistance in Red/Yellow wire between output side of fuse No. 12 and terminal No. 10 at instrument cluster harness connector C250. See Figure . If resistance is one ohm or less, replace instrument cluster printed circuit. If resistance is greater than one ohm, repair open in Red/Yellow wire.
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