Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1989 Geo Prizm Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Pick-Up Coil (Tracker)
- Disconnect ignition secondary coil and attach to ground. Remove distributor cap and rotor. Ensure that reluctor teeth are NOT aligned with pick-up coil. See Fig 1 . Using a voltmeter, attach positive lead to ignition coil negative terminal and negative lead to ground.
- Voltmeter should read 12 volts. Insert screwdriver between reluctor and pick-up coil. Each time screwdriver is inserted, voltmeter should fluctuate up to one volt. If voltmeter does not fluctuate, replace pick-up coil.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.