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whats the best way to bypass headlight relay?

Discussion in 'XJ Technical Chat' started by kalinin, Jul 25, 2007.

  1. kalinin

    kalinin Member

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    Whats the best way to bypass the headlight relay? My relay has died and $70 from Yamaha seems a bit much to me.
     
    kalinin, Jul 25, 2007
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  2. Robert

    Robert Active Member

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    Get a standard relay from an electronics shop for about $5 and use it instead. Get a 30 amp unit and you'll be golden. Good luck and let us know if you have further questions.
    (Reference the XJ650RJ wiring diagram in the Haynes manual)
     
    Robert, Jul 25, 2007
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  3. kalinin

    kalinin Member

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    Ok....I got the 30A relay....now what? lol The new relays 4 contacts are: 12V in, 12V out, On/off switch, Ground. The wiring in the bike has a white, black, blue/black, red/yellow. I tried a couple of positions and no luck. I know the black is ground....
     
    kalinin, Jul 26, 2007
    #3
  4. RickCoMatic

    RickCoMatic Well-Known Member

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    How did you identify that as the Headlight relay?
     
    RickCoMatic, Jul 26, 2007
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  5. kalinin

    kalinin Member

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    According the the Haynes Manual....and when I swapped the relay from the turnsignals the headlight comes on....
     
    kalinin, Jul 26, 2007
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  6. MiCarl

    MiCarl Active Member

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    Turn signal relay and headlight relay are not interchangeable.

    Headlight relay has four wires going to it. Colors are White, Black, Blue/Black and Red/Yellow. (Turn signal relay has three wires).

    You can bypass the relay (light on with key on) by connecting the Blue/Black wire to the Red/Yellow wire.
     
    MiCarl, Jul 26, 2007
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  7. RickCoMatic

    RickCoMatic Well-Known Member

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    Bypassing that relay is a sure-fire battery killer.
     
    RickCoMatic, Jul 26, 2007
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  8. kalinin

    kalinin Member

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    ok maybe it wasnt a turnsignal relay, either way the headlight came on with the key...
     
    kalinin, Jul 26, 2007
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