How to bypass fuel relay on 2007 Dodge Ram
#3
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I have also started looking for this information, as I am going to install 12-hole injectors in my truck. But, it seems the geniuses at Dodge elected to solder the fuel pump relay into the TIPM fuse/relay box, and bury it inside so you cannot easily find it...much less replace it. Originally I was looking for the fuel pump fuse. But it seems it is inside the buried relay, as best I can tell. I plan to go on a scouting mission to find the fuel pump connector, and just unplug it so I can depressurize the fuel manifold.
[edit] looks like pin 4, the brown wire, on connector C1 for the TIPM, is the fuel pump wire. I cut it and could not start the truck. Added terminals so I can drive in the meantime, but this should let me relieve fuel rail pressure when I pull it to swap injectors.
*I realize this thread is a year old, but wanted to add this in the event someone else starts looking.
[edit] looks like pin 4, the brown wire, on connector C1 for the TIPM, is the fuel pump wire. I cut it and could not start the truck. Added terminals so I can drive in the meantime, but this should let me relieve fuel rail pressure when I pull it to swap injectors.
*I realize this thread is a year old, but wanted to add this in the event someone else starts looking.
Last edited by davb673; 11-19-2019 at 10:05 PM.