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Home >> Pontiac >> 1999 >> Firebird Formula, Automatic >> Repair and Diagnosis >> Electrical >> Starter >> Starting System >> On-Vehicle Testing >> Engine Does Not Crank, Solenoid Clicks >> "C", "G" & "H" Bodies

"C", "G" & "H" Bodies

  1. On "H" body, remove INJECTOR (10-amp) fuse No. 7 of right instrument panel fuse block. On "C" body, remove INJR (10-amp) fuse from underhood junction block. On "G" body, remove INJ (15-amp) fuse on Buick, INJ 1 (10-amp) fuse and INJ 2 (10-amp) fuse on Oldsmobile, located in instrument panel fuse block. On all models, turn ignition switch to START position. Using a DVOM, measure voltage between battery positive and negative terminals. Crank engine for at least 15 seconds. If reading is more than 8 volts, go to step  3. If reading is 8 volts or less, go to next step.
  2. Load test battery. If load test is not okay, replace battery. If load test is okay, check battery and starter terminals for corrosion or poor contact. If terminals are okay, replace starter. See STARTER  under REMOVAL & INSTALLATION.
  3. Using DVOM, measure voltage between battery negative terminal and engine block while cranking engine for 15 seconds. If reading is less than 0.5 volt, go to next step. If reading is 0.5 volt or more, clean negative battery cable connections, or replace negative battery cable, and retest.
  4. Using DVOM, measure voltage between battery positive terminal and starter solenoid terminal "B" (Black wire) while cranking engine for 15 seconds. If reading is less than 0.5 volt, replace starter. See STARTER  under REMOVAL & INSTALLATION. If reading is 0.5 volt or more, clean positive battery cable connections, or replace positive battery cable, and retest.
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