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2015 Denali tailgate has no remote lock

speedbump

By speedbump
in Modifications & Accessories

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speedbump Enthusiast

speedbump

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Well the parts got here before I had a chance to get the tools. No problem, I got everything disassembled. My problem is: The instructions say to locate the grey wire and the tan wire with the yellow tracer. Well, there are two tan wires with yellow tracers. But it doesn't matter because neither of them work. Hook up the device to the grey and either of the tan with yellow tracer and the door locks do not work at all. Neither does the trunk solenoid (for the lack of a better term). Disconnect one wire and the door locks work normally again. These folks aren't open on weekends so Tech Support isn't any help until at least Monday. So here I sit with a truck half torn apart waiting on advice.

Dnt Senior Enthusiast

Dnt

Posted
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darn it man. Scan the instructions and take some good pics and get them posted right away daylight is burning man.

speedbump Enthusiast

speedbump

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Here is a scanned instruction sheet. One side only. The other side is just disclaimers etc.

I'll go take some pictures of the wiring blob after I send this.

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speedbump Enthusiast

speedbump

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I got one picture then my camera's battery died. I was wrong, there are actually three tan with yellow striped wires.

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These are the two identical wires that I tried to no avail.

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speedbump Enthusiast

speedbump

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Another update. Called Tech Support this morning. Got a hold of Joe right away. He told me that the directions were wrong. Use the Tan w/yellow tracer and the "Blue w/white tracer" not the Grey. They are both larger wires. No problem, I tried it. Still doesn't work. Called back, he suggested trying the actuator with a 12 volt battery. I did, it works fine. Now he wants me to go up under the dash to a 27 pin connector that goes into the BMC (I think). Nope, not doing that. So that's where I am so far. I'm about ready to box it all up and send it back.

TJay74 Senior Enthusiast

TJay74

Posted
Posted

He is asking you to check out that #27 pin in the BCM to find out what the color of the wire is, GM may have changed the coloring code on the harness mid year.

speedbump Enthusiast

speedbump

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Did you look at the YT vid I posted on the first page?

 

Yes I did, I just watched it again. He says to use a thick brown w/yellow stripe. I have that one. And a grey with green stripe. I see no green stripe on the thick grey wire. I'll look for another tomorrow.

He is asking you to check out that #27 pin in the BCM to find out what the color of the wire is, GM may have changed the coloring code on the harness mid year.

 

Actually he wanted me to splice in there. I'm not crazy about messing around under the dash, but if he is saying the colors should be the same, that would be very helpful. Maybe that's what he meant. I'll try looking at the connector tomorrow and see what I can see.

A.J. Curtis Enthusiast

A.J. Curtis

Posted
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Hmmm it sounds like your wire harness has different colors than mine. Like mentioned above sometimes there are different colors on the wireharness between manufacture dates. I used a solid grey wire and the small tan+yellow and it works great.

speedbump Enthusiast

speedbump

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Hmmm it sounds like your wire harness has different colors than mine. Like mentioned above sometimes there are different colors on the wireharness between manufacture dates. I used a solid grey wire and the small tan+yellow and it works great.

 

That's what I had in the picture above. That didn't work either. I didn't show the larger grey wire because my battery died. I'll check the wire colors again later today when I get some running done. Stay tuned.
gmckenzie Enthusiast

gmckenzie

Posted
Posted

Yes I did, I just watched it again. He says to use a thick brown w/yellow stripe. I have that one. And a grey with green stripe. I see no green stripe on the thick grey wire. I'll look for another tomorrow.

Actually he wanted me to splice in there. I'm not crazy about messing around under the dash, but if he is saying the colors should be the same, that would be very helpful. Maybe that's what he meant. I'll try looking at the connector tomorrow and see what I can see.

 

It's easier to get at the wires under the dash right at the plug then pulling off the kick panel like in the instructions. That's how a thread on here said to do it and that's how I did mine.

speedbump Enthusiast

speedbump

Posted
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It's easier to get at the wires under the dash right at the plug then pulling off the kick panel like in the instructions. That's how a thread on here said to do it and that's how I did mine.

 

For me, I find it easy to access the wires under the kick plate beside the driver seat. Getting my head up under the steering wheel and dash isn't much fun. I think my only problem is getting the right two wires.

I have a question: Does anyone know how the actuator works? Is it two wires for lock and unlock with the body of the actuator being ground? Or does each wire magically become ground when the other is hot?

Could I try one wire at a time using the entire wire harness and the actuator next to me where I can see if I can find one wire at a time?

There are several small tan wires with yellow tracers or some could be yellow with tan tracers. Hard to tell them apart. The larger tan with yellow tracer is definitely just that. The yellow tracer is much narrower than the tan.

speedbump Enthusiast

speedbump

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It works. I took another shot at guessing at which wires would work. I used the solid large grey wire and one of the small tan with yellow tracers and it worked first time. It's all hooked up and works like a charm. The large tan with yellow tracer didn't work as I was told to use by Pop & lock, neither did the blue with white tracer. Joe at Pop & lock said he would send me pictures etc which never happened either. I'm not real happy with their tech support. You would think they would know which wires to hook their equipment to, but obviously they don't. They weren't very helpful and sort of left me to fend for my self.

 

I will say that once hooked up correctly, the thing works very well.

 

Thanks everyone for the help and well wishes.

A.J. Curtis Enthusiast

A.J. Curtis

Posted
Posted

It works. I took another shot at guessing at which wires would work. I used the solid large grey wire and one of the small tan with yellow tracers and it worked first time. It's all hooked up and works like a charm. The large tan with yellow tracer didn't work as I was told to use by Pop & lock, neither did the blue with white tracer. Joe at Pop & lock said he would send me pictures etc which never happened either. I'm not real happy with their tech support. You would think they would know which wires to hook their equipment to, but obviously they don't. They weren't very helpful and sort of left me to fend for my self.

 

I will say that once hooked up correctly, the thing works very well.

 

Thanks everyone for the help and well wishes.

I am glad you got it working!

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