87 GT alternator AMP light HELPPPP

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06-22-2008, 11:40 AM

number1_kid

2nd Gear Member

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Join Date: Mar 2006

Posts: 187

87 GT alternator AMP light HELPPPP

Hello,
about 400miles ago got alternator rebuilt

and this morning started it up and when it goes higher then 2000rpm the amp light goes on and the baterie gauge goes right to the top

whats wrong

06-22-2008, 12:43 PM

1988TTOP

4th Gear Member

Join Date: Jan 2008

Location: nw ohio

Posts: 1,556

RE: 87 GT alternator AMP light HELPPPP

it is over charging

06-22-2008, 02:34 PM

number1_kid

2nd Gear Member

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Join Date: Mar 2006

Posts: 187

RE: 87 GT alternator AMP light HELPPPP

ok..... I figured that but why is it overcharging when it worked good before

06-22-2008, 03:00 PM

Milwaukee Mark

Join Date: Jun 2008

Location:

Posts: 7

RE: 87 GT alternator AMP light HELPPPP

You could POSSIBLY have a bad cell in your battery ... get it checked..

06-22-2008, 03:00 PM

Boss_Hotrod

5th Gear Member

Join Date: Apr 2006

Location: NC

Posts: 2,166

RE: 87 GT alternator AMP light HELPPPP

They probably messed something up with the regulator. Take it out and check the brushes. You might have to replace the regulator.

06-22-2008, 03:53 PM

number1_kid

2nd Gear Member

Thread Starter

Join Date: Mar 2006

Posts: 187

RE: 87 GT alternator AMP light HELPPPP

too late piece of junk let go in traffic its gone on towing

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