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Hi, having problems with rear doors. Will not lock with key fob or driver button only manually. No bad fuses maybe relay, but which one????
 

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Which year? Have you opened the connector in the door jam to see if there is water and corrosion in the pins? A lot of us have water but not many problems, I loaded my connector with dielectric grease. Only Locking?
On a 2007 Outlook it Looks like there is one main relay which locks all doors and two relays for unlock, one for drivers door and the other for the other three.
 

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I believe there is one Lock Relay for all doors on that year as well. Either you have a connection problem from the relay or both lock coils are defective. Try opening the connector in the door jam to see whats the condition.
 
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