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So I have looked everywhere for hours for this but could t find anything so here I am, basically both my power locks in the back of my crew cab don’t unlock or lock, I know the actuators are generally bad but then after some research I have found or think at least that the locks are connected in a circuit through a relay or the bcm or something I’m not sure I tried reading a wiring diagram but I couldn’t figure out where anything was located. No relays on the side of the dash or in the other 2 fuse box’a that I could find and I could buy an actuator just to see but I just want to see if maybe I’m missing something as I just bought this truck. So it definitely could be both the actuators but just wanted to see if there is something that I’m not putting together or am unaware of.
 

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You could get a subscription to Alldata to get the wiring diagrams to help you with this.
 
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