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Home >> Isuzu >> 1983 >> Impulse Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - I-TEC EFI >> Testing >> Power Supply >> Notes

Power Supply: Notes

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