Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Fiat >> 1982 >> Spider Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Ignition System >> MARELLI Electronic Ignition System >> Testing >> Ignition Coil Resistance Check

Ignition Coil Resistance Check

Download the full database via torrent (~1.1 TB)
  1. Using an ohmmeter set in the low scale, connect the leads to the positive and negative primary terminals of the ignition coil. See Fig 1. Resistance reading should be 0.75 - 0.81 ohm.
  2. Change ohmmeter to the x1000 scale and connect leads to coil negative terminal and coil center tower. See Fig 1. Resistance should be 10, 000-11, 000 ohms.
  3. If either reading is not to specifications, replace ignition coil.
Fig 1: Ohmmeter Hookup for Ignition Coil Primary and Secondary Resistance Check
G09323499Courtesy of NOT AVAILABLE

If not to specifications, replace coil.