Spark Plug Cable Resistance Check

Measure the resistance of the all spark plug leads.

Fig 1: Measuring Resistance Of Spark Plug

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

1. Check the cap and coating for cracks.
2. Measure the resistance.
   1. Limit: 19 kΩ 
3. If resistance is greater than 19 kΩ, replace the cable.