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L98 e38

James Ruiz

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Hey guys first post hopping to find someone that might be able to help me out. I have recently installed a 6l from a ve into a vk i had a standalone loom and vats removed from the ECU.
When i power the ECU my fuel pump aint priming.
Is pin 50 on the x1 connector suppose to give out 12v? Thanks ..
 

07GTS

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looks like X1 pin 50 pump relay control
 

James Ruiz

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Thats correct except im not sure if it should be giving me 12volts or a ground at the moment it aint giving me nothing.
 

James Ruiz

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Utel67 are you sure it should be asserting ground ?
 

Utel67

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Sorry mate my mistake this should help I hope.

 

_R_J_K_

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Don't know if this will be helpful for you but generally with most ECUs the pump will only turn on when there's a crank angle signal so simply powering the ECU won't do anything. When you turn the key to accessories it primes because the ECU receives a blip of crank angle signal and then it continues to pump because the starter motor is turning the crank. Stops fuel pumping in the event there's an accident or failure of some kind.
 

KHOLDEN

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It's only to switch a relay, not to run the pump
 
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