1997 Pontiac Grand Am fusible links

Tiny
DAN LASHER
  • MEMBER
  • 1997 PONTIAC GRAND AM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 115,000 MILES
I have just installed a new alternator on my car(which was tested before I brought it home it tested good) the problem is that the fusible links keep burning up, also the wire gets very hot to the alternator, (the large wire.) THe alternator is putting out aprox 13.5 volts if I skip the fuse but I can not do that for safety reasons.
Tuesday, June 9th, 2009 AT 8:43 PM

8 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS


https://www.2carpros.com/forum/automotive_pictures/99387_Graphic2_186.jpg



As you see in the diagram its a straight shot from the starter solenoid
do not take this the wrong way but the most common I ve seen and admit that I did it once or twice is over torque the nut and the wire causing the insulator to brake and ground the terminal
you may check that
Ohm check the red wire,
check around the exhaust system for a melted wire
good luck and let me know
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Wednesday, June 10th, 2009 AT 6:02 AM
Tiny
BMRFIXIT
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After you ran a wire was it the fuse that burn or the fusible link

let me know
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Wednesday, June 10th, 2009 AT 5:27 PM
Tiny
DAN LASHER
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Jack thanks for your help. Actually I replaced the link and it burnt up, then I wired in a 40 amp fuse and it poped that too. Ive done electrical work for years an this one has me confused.
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Thursday, June 11th, 2009 AT 12:21 PM
Tiny
BMRFIXIT
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We still talking about the red wire rear of alternator
you ran a new wire from the battery to the alternator with a 40 A fuse and the fuse burnt than I would suspect bad alternator
let me know
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Thursday, June 11th, 2009 AT 5:21 PM
Tiny
DAN LASHER
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Yes it is the big red wire to thealt and the battery
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Friday, June 12th, 2009 AT 4:01 PM
Tiny
BMRFIXIT
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Hi Dan
was the alternator changed?
Let me know
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Friday, June 12th, 2009 AT 5:47 PM
Tiny
DAN LASHER
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Yes I bought a rebuilt alt - but I had them test it before I left the Store it checked good Thanks for your help! Also it does put out 13.5 volts. But burns up the fusible link
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Monday, June 15th, 2009 AT 3:13 PM
Tiny
BMRFIXIT
  • MECHANIC
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Alternator is new and you ran a new wire and fused it and keep on burning the fuse
you have an over load, at this point I would retest the battery and or try another one
let me know
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Monday, June 15th, 2009 AT 4:43 PM

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