Fuel pump not cycling....

[3WheelerMod]

I have a Gen 1 (2006) I have been going through some electrical issues (grounding problems) that I believe I have resolved.
When I turn the key gauges sweep but I don't hear the fuel pump cycle.....

1. No F1 codes
2. Fuel relay is good. (checked ohms from relay all the way to pump)
3. Tip-over sensor has been modded and the bike turns over ...

I seen a youtube on testing a GSX1000 using a volt test. Using the ground and one of the TWO wires going to the pump. Busa's have 4 wires... ( Ground, gas level, power, ??) - is what I am assuming

Anyone know how to test if the fuel pump is functioning with a volt meter?

Todd

 

[Mr Brown]

Run a hot wire from the battery straight to the pump and see if it works.

 

[3WheelerMod]

If anyone has done this before and you know what wire to run the hot wire to , let em know
If this is anything like the youtbue on the GSXr 1000 kit should be the yellow/red stripe wire but the
Busa shop manual does not go into the detail of the fuel pump wiring..... ugh

Thanks
Todd

 

[Mr Brown]

@202mphbusa may have some input for you. Mine has an external pump so I've never had to mess with the pump wiring to test. I'm pretty sure the service manual has a wiring diagram, what manual do you have?

 

[3WheelerMod]

Downloaded one from online...

 

[Mr Brown]

Factory Suzuki one?