1989 Saab 9000 Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Ignition Coil Resistance

  1. Remove primary and secondary leads from ignition coil. Using ohmmeter, check primary resistance between (positive) and (negative) terminals of coil. Resistance should be as specified. See the IGNITION COIL RESISTANCEΒ  table.
  2. Check secondary resistance between (positive) and (negative) terminals of coil. Resistance should be as specified. Replace coil if readings were not within specification. Refer to the IGNITION COIL RESISTANCEΒ  table.
    IGNITION COIL RESISTANCE - Ohms @ 68Β°F (20Β°C)

    Application Primary Secondary
    All Models .52-.76 7200-8200
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.