Recommended Equipment:

WARNING: This page is about a different car, the 2004 Ford Pickup Heritage. However, it is still accessible from the selected car via links, so may be relevant.

Rotunda 73 III Automotive Meter 105-R0057 or equivalent. Input impedance 10 mega-ohm minimum.
Spark Tester D81P-6666 -A or equivalent.
Non-powered test lamp.