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post #1 of 24 (permalink) Old 05-18-2010, 05:02 PM Thread Starter
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fuel pump problem?

97 daytona triumph

Bike wont start, seems like not getting fuel. turn key and i dont hear the fuel pump prime up. checked fuses and they are all good. I just want to make sure its the fuel pump before i pay $200 bucks for one. Ever fuel pump i ever come close to makes a noise when key is turned to the on position. this one on my bike does not. checked the plug that the fuel pump plugs into and it has power. I dont know if relay has anything to do with fuel pump or not. So, to me it seems like the fuel pump is no good.

Is that the problem?
If so is there any aftermarket fuel pumps i could get that is cheaper? ( i am having a hard time finding after market parts for this bike.)

Thank you
Jay
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post #2 of 24 (permalink) Old 05-18-2010, 06:20 PM
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Quote:
Originally Posted by 97daytri View Post
.... checked the plug that the fuel pump plugs into and it has power. I dont know if relay has anything to do with fuel pump or not. ...
You're checking for power at the fuel pump connector plug during first few seconds after turning ignition on? After that first few seconds there should be no power there.
If you do indeed, have power at the connector for first few seconds then pump should run.
My pump - similar gen to yours as original T509 tank/pump - is very quiet compared to my Suzukis, but still quiet audible when ignition first turned on.
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post #3 of 24 (permalink) Old 05-18-2010, 06:39 PM Thread Starter
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ya we checked it when the key was turned to on position. My brother and i both could not hear anything. We placed hand on pump and felt no vibration or anything.

so its looking like i need a new pump?

Last edited by 97daytri; 05-18-2010 at 06:45 PM.
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post #4 of 24 (permalink) Old 05-18-2010, 06:47 PM
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Are you checking power and ground at the connector plug?
i.e. measuring the voltage acoss the two connector pins?
Or measuring the + power with respect to the battery negative?

Could be the ground wire that is broken - so make sure you are measuring both pins at the connector.
If that proves good, would have to say pump is most likely a problem.
If not, then pursue the missing ground return.
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post #5 of 24 (permalink) Old 05-18-2010, 08:03 PM Thread Starter
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checked to see if power was acoss the two connector pins
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post #6 of 24 (permalink) Old 05-18-2010, 09:33 PM
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97daytri, Make sure the engine kill switch is on. If so, swap the fan relay with the fuel pump relay (two middle, front row on my '98). The fuel pump relay should operate under control of the ECM for a 2-3 sec. span and the relay operation is easily felt and heard.

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post #7 of 24 (permalink) Old 05-18-2010, 09:36 PM
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I just bought a T595 and it died on me after I put 100 miles on it.... So I took the whole tank off and apart, and it turns out that it was a $10 relay for the fuel pump. So after I took the tank apart and changed the filter out, I just replaced all 3 of the same relays. Definitely check the relay first, and I wouldn't buy the Triumph one for $30, just take the relay to an old-school bike shop or auto parts store...
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post #8 of 24 (permalink) Old 05-18-2010, 10:57 PM Thread Starter
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would it be the relay, if im still getting power at the plug?
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post #9 of 24 (permalink) Old 05-18-2010, 11:27 PM
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would it be the relay, if im still getting power at the plug?
Power can only get to the plug by being switched by the relay, so no.
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post #10 of 24 (permalink) Old 05-19-2010, 07:06 AM
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another thing to check is if the pipes have come off in the tank, once youvwe discounted the relays
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