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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, 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!
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