I have a 2005 6.0 and a FICM tuner from PHP. I need to remove the FICM relay so I don't fry injector 1 (I think that what it is). Anyway, I've done a lot of reading and can't seem to figure out which relay it is. The instructions say the relay closest to the passenger front, but also say almost always grey. So, The grey relay is passenger toward firewall. The directions also say that the injectors will not buzz if removed. I took each out and still had injector buzz. Tried again tonight, truck is hot, just been driven. I pulled the grey relay and turned key to on. Buzzed for just a second then stopped but did the same for the other relay and same when put back in. Can anyone confirm that it's the grey replay in the photo? I have to leave town Wednesday and can't afford to mess up!




Thanks!
Steve

 

This link is to a picture of the battery junction box. The FICM power relay is shown in the lower right corner of this diagram: http://www.revbase.com/BBBMotor/Wd/D...dPdf?id=111513

 

Thanks, I have it figured out with Razzi's help, it's the gray one in the photo. The diagram doesn't resemble any fuse/relay box in my truck but thanks!

 

I had the same issue with my ficm tuner from Innovative Diesel. I had to update the software before doing the first tune from Superchips.

I ended up having to go with the Inductive Heating tune on mine as the performance tune made the truck run really rough.