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 MANUALSPLYMOUTH1990LASER RS, 2.0 R, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALSTARTERSTARTER - DIRECT DRIVETESTING (ON-VEHICLE)COLD CRANKING TEST
1990 Plymouth Laser RS, 2.0 R, Standard
Cold Cranking Test
1990 Plymouth Laser RS, 2.0 R, StandardSECTION Cold Cranking Test
NOTE:
Ensure battery is fully charged. Perform a battery load test and voltage drop test before proceeding.
- Using an inductive ammeter, clamp amp probe to positive battery cable. Using a voltmeter, connect positive voltmeter lead to positive battery post and negative lead to negative battery post.
- Crank starter and observe meter readings. Meters should read within specification. See STARTER SPECIFICATIONS table. If readings are not within specification, starter is defective.
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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.