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 MANUALSEAGLE1990TALON BASE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGPOWER TRANSISTOR (2.0L) TEST
1990 Eagle Talon Base, Automatic
Power Transistor (2.0L) Test
1990 Eagle Talon Base, AutomaticSECTION Power Transistor (2.0L) Test
- Using an ohmmeter, connect ohmmeter leads between power transistor terminals No. 1 and 3. Using a 1.5-volt dry cell battery, connect positive battery lead to power transistor terminal No. 2 and negative lead to terminal No. 3. Perform TEST 1. See Fig 1 .
- When dry cell battery is connected, ohmmeter should read continuity and when disconnected no continuity.
- Connect ohmmeter between power transistor terminals No. 6 and 3. Using a 1.5-volt dry cell battery, connect positive battery lead to power transistor terminal No. 5 and negative lead to terminal No. 3. Perform TEST 2. See Fig 1 . When dry cell battery is connected, ohmmeter should read continuity and no continuity when disconnected.
- Replace power transistor if it does not test as described.
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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.