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 MANUALSPONTIAC1989GRAND PRIX V6-191 3.1LREPAIR AND DIAGNOSISSPECIFICATIONSELECTRICAL SPECIFICATIONSALTERNATOR
1989 Pontiac Grand Prix V6-191 3.1L
Alternator
1989 Pontiac Grand Prix V6-191 3.1LSECTION Alternator
Rated & Test Output
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| Rated Output | 74,85,100,105,108,120 |
| Test Output | - Note: Run engine at moderate speed of 2000 rpm; output must be within 15 amps of rated output. |
RENDER: 1.0x
NO RELATED
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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.