Ignition Coil Test
WARNING: This page is about a different car, the 1998 GMC Pickup, 1998 GMC Cab & Chassis, 1998 Chevrolet Pickup, and 1998 Chevrolet Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition off. Remove engine cover. Disconnect distributor lead and wiring from ignition coil.
- Place DVOM on high scale. Connect DVOM as shown in step 1 of illustration. See Fig 1-Fig 3 . If reading is not infinite, replace ignition coil.
- Place DVOM on low scale. Connect DVOM as shown in step 2 of illustration. See Fig 1-Fig 3 . If reading is not 0.1 ohm, replace ignition coil.
- Place DVOM on high scale. Connect DVOM as shown in step 3 of illustration. See Fig 1-Fig 3 . If reading is not 5000-25,000 ohms, replace ignition coil.
- Reconnect distributor lead and wiring to ignition coil. Install engine cover.