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spankyjr1, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 2598
Experience:  I worked on all types of equipment semis,forklifts,farm,ect.
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Im having problems with no data link on my 2007 century

Customer Question

im having problems with no data link on my 2007 century class freightliner wen it rains or get wett
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  spankyjr1 replied 1 year ago.
Hi, my name is ***** ***** you for your question.
Check all the two wire plugs going from engine ecm,,,trans ecm,,and abs ecm,,into to cab.
All these data link wire plugs will have a twisted pair of wires going from each part to the main controller inside cab called a sam module,,any moisture,corrosion, or rubbed through wires will affect data stream and cause fault.
You first want to inspect plug very closely for bent pins or corrosion than check wiring inch by inch,,I know its a pain in the butt but you have a poor connection on one of these data wire connections.
Check all pass through connectors of firewall going into cab,,if any plugs are open clean and cover to prevent a leak path on data link.
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Thanks spanky

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