Battery drain

Discussion in '40- & 55-Series Tech' started by nats-fj40, Jan 1, 2003.

  1. nats-fj40

    nats-fj40

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    I hear that the most common reason for battery drain is the regulator? I've done most the rewiring on my cruiser, don't blow fuses, can't find a short or nuthin' but my batt will be dead if I leave it connected for a couple days of not running it. (red to Optima) Is there an easy home brew test for this? btw it's converted to a one wire chevy alt. internal reg.
     
  2. Gumby

    Gumby Supamod Staff Member s-Moderator

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    Put a test light between the negative terminal and the disconnected negative cable. If there is a drain, it will light the lamp. Disconnect things until the light turns off. Be sure to disconnect the underhood lamp first, if you have one.
     
  3. Gumby

    Gumby Supamod Staff Member s-Moderator

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    Probably obvious, but maybe not.
    Pull fuses to eliminate systems that are fused.
     
  4. fresno-lc

    fresno-lc

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    make sure the alternator is hookes up to the side of the fuse block that is only on when the key is on i had mine huked up to the rong side for about a month and if i didnt disconect my batery every time i got out of my car then i would need a jump :'( high school kids are brutal if u need a jump evry day and ity gives them the rong inpresion about land cruisers and its realy just cause it was wired rong.
     
  5. dargreg

    dargreg

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    I Had to put a relay in the 2nd and 3rd plug in on the alt. to stop the drain relays are excited by ign curcuit. they are the 2 relays on the right, the left one is the glow relay.Oh alt is an ordinary single post chev with plug in.
     
    Last edited: Mar 26, 2009
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