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.
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HOMESERVICE MANUALSMITSUBISHI1990ECLIPSE AWD L4-1997CC 2.0L DOHC TURBOREPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORTESTING AND INSPECTIONBENCH TESTINGNEGATIVE RECTIFIER
1990 Mitsubishi Eclipse AWD L4-1997cc 2.0L DOHC Turbo
Negative Rectifier
1990 Mitsubishi Eclipse AWD L4-1997cc 2.0L DOHC TurboSECTION Negative Rectifier
Fig. 7 Testing Negative Rectifier:
Check continuity between negative rectifier and stator coil lead terminal with an ohmmeter as shown in Fig. 7. Ohmmeter should read continuity in only one direction, if continuity is in both directions a diode is shorted and the rectifier assembly must be replaced.
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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.