grand am alternator hum

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allthumbs

Member - Posts: 1

Joined: December 28, 2002

Location: United States

Posted: December 28, 2002 at 12:17 PM / IP Logged

Help!! 1986 Grand Am died while being driven. No spark. replaced cap, rotor, plugs, wires, pick up coil. started and ran for 10 minutes. Died again. noticed a hum from the alternator with key on. disconnect alternator, car starts and runs fine, connect alternator = hum but will not start. any ideas???

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Sound Pressure

Silver - Posts: 711

Joined: March 09, 2002

Location: United States

Posted: December 28, 2002 at 10:06 PM / IP Logged

Change out your alternator. If you have an AutoZone near you they can check it at no charge. At the same time they can check your battery, and starter.

Sound Pressure

You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!

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Sound Pressure

Silver - Posts: 711

Joined: March 09, 2002

Location: United States

Posted: December 28, 2002 at 10:13 PM / IP Logged

You might have a bad control module. If so it's a $26 part.

Sound Pressure

You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!

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grand am alternator hum

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