Question about Harley Davidson FLHT Electra Glide Standard Motorcycles

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Wen I start the engine the radio turns on but none of the controls work. Also, the voltage meter and the oil pressure gauge fluxuates and the turn signals work intermittantly, sometime coming on by themselves. Casn this be caused by a ground problem somewhere?

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  • ironrider Jul 25, 2009

    I know I have a wiring problem, and I have been looking at the wiring. I hoped to get some idea of where to focus my search

  • ironrider Jul 25, 2009

    When I start the bike, the radio does not work. It turns itself on when the bike starts, but there is no control (not even to turn it off) and the displays are scrambled. Does this suggest anyting more to you?

  • ironrider Jul 26, 2009

    This is a 1988 Harley. It dosn't have a computer. Any other suggestions?

  • ironrider Jul 28, 2009

    The problem turned out to be the ground at the starter relay. Thanks for your suggestions

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Yes it does sound like a ground problem. The radio has its own grounding which is why that's working. I would first check the negative battery terminal to make sure it is connected securely. Then I would move to the wiring coming from the instrument cluster and look for any frayed wiring, from both the power and ground wiring as it may be a power problem too. These are always hard to track down problems but generally look at places that are rubbing or anywhere that has moving parts or joints by the wiring. Let me know how this turns out.



Benjamin

Posted on Jul 25, 2009

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  • Benjamin Patri
    Benjamin Patri Jul 25, 2009

    Sounds like the bikes computer is actually at fault here with the added information. Take it to a dealer, they can hook it up to a computer and confirm that the computer is at fault and either fix it or replace it and anything else that they may find that is wrong. A bad ground would not keep the radio on and doing what you say.





  • Benjamin Patri
    Benjamin Patri Jul 26, 2009

    Frayed wiring and such is what I would still look for. I would try disconnecting the radio and see if the instruments start working in case there is a short in it. I then would do the same for the controls and see if the radio starts working. Let me know the results of this.

  • Benjamin Patri
    Benjamin Patri Jul 28, 2009

    no problem, glad you found the problem, its always hard to track down a grounding issue it seems

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You clearly have a wiring problem or some loose connection somewhere.I most of the wire connection are inside the head light.It could be a ground problem but you can't tell until you check.

Posted on Jul 24, 2009

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