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.
1990 Eagle Premier ESFACTORY OEM SERVICE PROCEDURE
Starter Relay Test
- Do not disconnect starter relay connector. Backprobe starter relay connector. Connect a voltmeter between starter relay terminal No. 2 (White wire) and ground. See Fig 1 and Fig 2 . Turn ignition switch to the START position. Voltmeter should read battery voltage. If voltmeter does not read battery voltage, repair open circuit from ignition switch.
- Connect voltmeter between terminals No. 1 (Yellow wire) and No. 5 (Yellow wire). Turn ignition switch to the START position. Voltmeter should read zero volts. If voltmeter does not read zero volts, repair ground circuit.
- Connect voltmeter between terminal No. 4 (Brown wire) and ground. Turn ignition switch to START position. Voltmeter should read battery voltage. If voltmeter does not read battery voltage, replace starter relay.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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