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Home >> Isuzu >> 1984 >> Impulse Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - ISUZU I-TEC >> Testing >> Power Supply >> Notes

Power Supply: Notes

  1. Primary sources of current for I-TEC system are main relay and No. 4 (5 amp) fuse. Fuse No. 4 is not key controlled and supplies continuous current to ECU.
  2. Main relay is activated by key switch and is located in relay box in engine compartment. Fuel pump relay is also located in same box. Main ground circuits for ECU are at terminals 31 and 32.
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