Tuesday, May 25, 2010

Direct fuel pump wiring

I had the fuel pump wiring in the ER34 rewired so that it receives the full 13.8V that comes direct from the battery. If I am not wrong, the ER34 comes with variable speed pump control - 2 stage?

With the new rewiring, the fuel pump gets the full juice from the battery and is at full efficiency. Attached is the wiring diagram if anyone is interested. Click on it to see a larger image.

1 comment:

  1. Yeap. Our cars fluctuates the amount of electric current to a fuel pump to reduce noise and power consumption. Tomei sells a harness but it's not cheap. *laughs* What effects does this have on the heat generated by the pump and will this shorten the lifespan of the pump running it at full voltage all the time?


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