Question about 2005 Dodge Ram 1500
Left rear power door lock quit working. Child proof lever is set to off position and still won't work with remote, front drivers switch or when moving.
The most likely cause is a defective lock actuator.You'll have to pull the door panel to get at it.Unplug the connector,and rig a 12v test light across the two connector pins.Pressing the lock or unlock button should make the light come on(lock or unlock just reverses the polarity).If you get a light,then the actuator is the problem.If not,then trace back towards the lock relay to find the open in the circuit.
Posted on Mar 31, 2012
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Posted on Jan 02, 2017
SOURCE: power windows
I think on that year there is a safety switch on the inside of rear door jam so the children cannot roll windows down and fall out. It should be on the back door when you open the door look for a caution sticker that says child protection switch, I sure hope thats the problem And if so Great If not get back to me I can look up where the power relay is for rear windows. Ok Take care, Bear001
Posted on Jun 17, 2008
sorry not sure the 12v prob will help this swtich works on 5v off 3v unlock 1v lock single wire lock/unlock logic signals
I found wiring diagrams at
it is 2004 but use the wiring diagrams to test the wires
(most likely to fail where they flex)
because it is using logic gates disconnect the plug at each end of the wire you are testing or the damn thing will find a few diffrent ways to trick you.
Posted on Apr 21, 2009
SOURCE: power door locks do not work
2004-2005 CARAVANS HAD A SOFTWARE ISSUE IN THE BODY CONTROLLER..REMOVING AND REINSTALLING IOD FUSE IN UNDERHOOD FUSEBLOCK..THERE IS A SOFTWARE UPDATE FOR THE BODY CONTROLLER FROM CHRYSLER..TAKES ABOUT AN HOUR TO COMPLETE..AS FAR AS I KNOW,THEY ARE ONLY ONES WHO CAN DO THIS
Posted on Sep 24, 2009
The lock actuator is probably broken in that door. We got one of the internet for 80$ and replaced it outselves and it solved this problem. IOD fuse is very temporary fix as system is sensing problem and flipping to protect itself like the breaker switches in the house.
Posted on Mar 28, 2011
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