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Old 06-10-2018, 05:45 PM   #21
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Yeah, that is where I got the truck from, I've been looking daily for about 4 months and finally came across something in the price range. Too bad its got electrical issues! Mechanical issues, I can do all that, but I didn't even think about electrical

My brother has the same truck, just the base model. Took a look at his wiring yesterday and it confirmed my suspicion, my wire harness is not from this truck, I'm missing relays and all sorts of stuff he has in his... I am brewing beer today, I might tear into it some more tomorrow to look at what the wiring inside the cab looks like.
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Old 06-10-2018, 07:31 PM   #22
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Here is a better shot at whatever this is? Makeshift ground?

https://photos.app.goo.gl/Rsy1yjC8YZvRQBZ87
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Old 06-10-2018, 08:19 PM   #23
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Looks like it, David.

Nissan's ground wires look more like a tape mesh. My guess is that is something from a car alarm.
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Old 06-11-2018, 04:28 AM   #24
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Quote:
Originally Posted by jp2code View Post
Looks like it, David.

Nissan's ground wires look more like a tape mesh. My guess is that is something from a car alarm.
JPcode is right. That is definitely NOT a factory ground Nissan would ever use, past or present. That is user-created, as they say.

D-Dub says in part:

Quote:
"Took a look at his wiring yesterday and it confirmed my suspicion, my wire harness is not from this truck, I'm missing relays and all sorts of stuff he has in his..."
Oh, no. I would say that's the problem, all right. Who the hell did that? I've been working on these trucks off and on since the early 80's, and even I'm not crazy enough to try installing a non-application main harness. I'm surprised it runs. Maybe it's off a Nissan car or something.
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Old 06-11-2018, 04:58 AM   #25
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Quote:
Originally Posted by XoXSciFiGuy View Post
JPcode is right. That is definitely NOT a factory ground Nissan would ever use, past or present. That is user-created, as they say.

D-Dub says in part:

Oh, no. I would say that's the problem, all right. Who the hell did that? I've been working on these trucks off and on since the early 80's, and even I'm not crazy enough to try installing a non-application main harness. I'm surprised it runs. Maybe it's off a Nissan car or something.
Yeah, I saw the stock ground on the driver side, the braided flat wire goes from the motor to the frame, to the body. I bet its part of the old alarm, I just hope it's not plugging something so I can get rid of it.

I might pull the seat and peel back the carpet tomorrow afternoon... I am scared to even look. I think its a harness out of a VG30 or 33DE maybe.

Regardless, it's coming out so I can start fresh. Also going to remove the alarm wiring that's under the driver's side fuse panel.

Still hunting for a donor truck if anyone happens to see one let me know! Calling all the wrecking yards near I5 tomorrow.
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Old 06-11-2018, 07:46 AM   #26
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D-Dub...tell me in a private message kind of where you live. I may know where there is the perfect truck for you. It's sitting behind a repair shop on the South Hill of Puyallup. Was a beautifully restored truck before the owner's daughter deliberately plowed it head on into a tree. She ended up in Western for a court-ordered eval. I bought a few parts off it for my last truck, just a few months ago. The hood is crushed closed, but everything is still there underneath it.

EDIT: I have PM'd you the name of the shop in Puyallup (WA) and their address and phone, and some details about the truck. I can tell you this much...it was one hella nice D21 before she put it into that tree. The front and center indentation to the body not only crushed the hood closed, but probably wrecked the radiator support and maybe the front cover. Otherwise very nice, wheels tires, everything. Be cautious when approaching these guys. Owner of the shop completely restored this one for his daughter, but she had issues. Don't talk about that to him. Employees told me when I bought the buckets out of it for my 1989, it was a sensitive subject. That was last August. Hopefully truck is still there. They are kind of off the beaten path, and a family business, so it might still be around. On the chance it isn't...maybe ask where they sent the remains.
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Old 06-15-2018, 05:53 PM   #27
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I got your message! Thanks, I will give them a call next week and see if it is still there. Based on how easy it was to remove the harness so far, I am confident I can find a donor truck at the salvage yard. It took me about 20min to pull the harness out to the point where I just need to pull it through the firewall.

Update on my progress so far:

Pulled the seat out to check out the wiring inside the cab and started unwrapping the mess, its not as bad in the cab, but there is more evidence of issues. Bare wires (looks like they were stripped from pulling them through the firewall), moisture inside the electrical tape wrapped harness, plugs that don't belong.

If anyone has pictures of what it should look like, I am interested in them!

There is evidence that the guy before me replaced the ECU based on the sticker on the ECU.

Added pictures here if anyone wants to take a look and see what this might be out of. I am going to start doing some research today.

https://photos.app.goo.gl/m5fHYBQpR4BTJ6Qh2
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