digital display

Rhodesie

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working on a 07 400 manual trans. has the full lcd display. it flashes all the time when key on or idling. all the display functions flash at the same time. bat voltage off is 12.7, idling, 13.4. approx 3000 rpm 13.8. gone through all connections, unplugged ecm control module, checked all fuses and relays. left batt unhooked overnight for reset. having trouble figuring this one out. not crazy about spending 350-400 on one to find out it's not the prob. any help would be awesome. thanks!
 

TylerG

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Want a service manual for it Trev?
 
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