FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

Coil Terminal Designation:





1. With the ignition (OFF) remove the coil high tension lead.
2. Remove the leads from the coil and measure the resistance at terminals 1 and 15.

^ Resistance should be 0.5 ohms (+10%). Replace as necessary.

4. Measure the resistance at terminals 15 and 4 (center tower).

^ Resistance should be 6 Kohms (+10%). Replace as necessary.

Coil Connection Plate:





5. Check coil insulation plate for signs of hair line cracks, or burning. Replace as necessary.
6. Check tightness of plug (S), if pressed out, replace the ignition coil.