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02 idm relay clicking

4K views 1 reply 3 participants last post by  mtrsllc 
#1 ·
Ok i have a 2002 F250 PSD,Ok,heres the story.truck is dead,cranks w/no start,dash lights out,hot batteries,replaced necc fuses,got all instrements and lights,idm relay still clicks all time w/key on.found ground control wire coming out of pcm eratic.checked grounds on pcm,check good.found power in on pcm eratic witch is supplied bypcm relay on fuse #23 witch is hot on pcm relay side and eratic on pcm power in side(pcm has multiple power ins that operate diff areas I think.We will start there.Any help will be appreciated
 
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