Operation CHARM: Car repair manuals for everyone.

Ignition Coil: Testing and Inspection

Coil:




Coil Wiring:





1. With the ignition switch OFF, remove the distributor cap.
2. Remove the 2 screws to disconnect the BLK/YEL and WHT/BLU wires from the terminals A (+) and B (-) respectively.
3. Using an ohmmeter, measure resistance between the terminals. Replace the coil if the resistance is not within specifications.

NOTE: Resistance will vary with the coil temperature; specifications are at 20°C (68°F).

Primary windings:
(between terminals A and B): 0.6 -0.8 ohms

Secondary windings:
(between the A and secondary winding terminals): 13,200 - 19,800 ohms