Question about 1992 GMC Sierra K1500

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Battery gets drained sporadically.

'94 k1500. the battery keeps getting drained and the problem seems to be from the black cylinder looking fusible link (makes a clicking noise when battery terminals are connected). i was wondering what that link supplies power to so that i can find where the short is.

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  • bombardier_k May 20, 2009

    oh, no my alternator is connected directly to the battery. and i already changed it thinking that maybe the diode in the old one wasnt disconecting. the largest fusible link in my truck is connected to wires that join up with the main wiring harness and looks like they go into the firewall.

  • bombardier_k May 20, 2009

    no, my alternator is directly connected to my battery terminal. and its a new alternator; i thought the diodes were shot in the old one so i replaced it.

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The large fusible link goes to the positve battery terminal on the back of the alternator,the alternator has a short,of course pull it and have it tested before replacing it.

Posted on May 15, 2009

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