Question about 2000 Harley Davidson FLSTC Heritage Softail Classic

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FLstc/I excessive batt drain!!!

Hi,
HD FLSTC/I 06.
The batt goes dead in just one night...
New Batt, New Reg,
Testing anything ,nada.
No error on self diag....
This issue coming suddenly with no problem before!!!!

Help

Gilles

Posted by on

  • Gills Lango Mar 01, 2009

    Ok,doing everything what you have posted.!!!

    Heard somewhere maybe. it's possible for the TSSM module goes drawing the current.

    The light test connect ( Neg cable to ground) flashing like a signal light???

    Voltmeter dawing current (- 12.00 V)

    Each fuse was removed ;;; same result

    More HELP...



    Thanks

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Use the current checking ability on a multi meter and check each fuse (battery connected, key off). If you have a circuit that is drawing power that is not supposed to you have narrowed down the problem area.

Post back with your results if you need more help.

Posted on Mar 01, 2009

  • Dick
    Dick Mar 01, 2009

    It is certainly possible for the TSSM module to cause that, but if it were the problem you should have been able to tell by the current drop when you disconnected that fuse. Unless your TSSM is connected directly to the battery and then goes to the fusebox afterward? That would be a crazy & shocking fire hazard if the factory set it up that way but possible I suppose. Are you using a manual with wiring diagrams in it or just eyeballing? I think a wiring diagram would help you trace the problem.

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