Basic Ignition System Checks: Dis: Spark
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1997 Pontiac Grand Prix, 1997 Pontiac Grand Am, 1997 Oldsmobile Cutlass Supreme, 1997 Oldsmobile Cutlass, and 1997 Oldsmobile Achieva. However, it is still accessible from the selected car via links, so may be relevant.
- If factory tachometer is connected to coil tachometer terminal, disconnect tachometer before performing tests. When removing spark plug wire from spark plug, twist and pull on boot. DO NOT pull on wire.
- Using Spark Tester (J-26792), check for spark at each spark plug wire. Leave other wires connected while checking for spark. Check spark plug wire resistance on suspect wires. Resistance should be about 30,000 ohms.