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  #141  
Old 12-22-2019, 11:24 AM
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Why are you guys cutting the harness? Just out of curiosity.
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2010 X5 35d Build 02/10
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  #142  
Old 12-22-2019, 12:12 PM
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Quote:
Originally Posted by crystalworks View Post
Why are you guys cutting the harness? Just out of curiosity.
I was kind of wondering the same thing. I just can't bring myself to cutting brand new harnesses and then butt splicing them back together.
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  #143  
Old 12-22-2019, 12:52 PM
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I was kind of wondering the same thing. I just can't bring myself to cutting brand new harnesses and then butt splicing them back together.
Because you have to take a lot less of the car apart to fish the harness. You can get the harness without the connectors through much smaller spaces. I had seen a Youtube of the installation that they cut off the connectors at one end. I didn't see the sense in it after watching it, so I was going to do it without cutting the harness. It quickly became apparent I would need to take a lot of stuff apart to run the harness with the connectors. Butt splicing the harness back together is less work. IMHO.

Video here: https://www.youtube.com/watch?v=nIEKdYtIaWE
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  #144  
Old 12-22-2019, 02:22 PM
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I'm toying with the idea of removing the pins from the connector that goes to the dash and reconnect them later when done with running the wires. So I'll run the harness starting from the rear of the car, just like I did with the dynavin harness.
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Last edited by X5only; 12-22-2019 at 02:28 PM.
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  #145  
Old 12-22-2019, 02:33 PM
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Originally Posted by Fifty150hs View Post
Because you have to take a lot less of the car apart to fish the harness. You can get the harness without the connectors through much smaller spaces. I had seen a Youtube of the installation that they cut off the connectors at one end. I didn't see the sense in it after watching it, so I was going to do it without cutting the harness. It quickly became apparent I would need to take a lot of stuff apart to run the harness with the connectors. Butt splicing the harness back together is less work. IMHO.

Video here: https://www.youtube.com/watch?v=nIEKdYtIaWE
Gotcha. I worry about that many butt splices (besides the extra girth it creates at the joined section). I know it's supposed to be 100% fine, it's just my OCD/neuroses will get me to take the interior out 100% of the time.

I like your idea of de-pinning X5only. Make sure to take A LOT of good, clear, pics of the connectors before taking them all out. Wiring diagram of the connectors is not a bad idea either. Both of which I'm sure you've already thought of...
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)


2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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  #146  
Old 12-22-2019, 02:39 PM
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Originally Posted by crystalworks View Post
Gotcha. I worry about that many butt splices (besides the extra girth it creates at the joined section). I know it's supposed to be 100% fine, it's just my OCD/neuroses will get me to take the interior out 100% of the time.

I like your idea of de-pinning X5only. Make sure to take A LOT of good, clear, pics of the connectors before taking them all out. Wiring diagram of the connectors is not a bad idea either. Both of which I'm sure you've already thought of...
The extra girth was a concern also, but the way it all went together for me it tucked away quite nicely.

Removing the pins is a good idea too. I hadn't thought of that. Like you said, LOTS of pictures and a wiring diagram before you do.
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  #147  
Old 12-22-2019, 02:56 PM
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Yeah, de-pinning seems like a viable alternative to cutting the wires, but the more I study the harness and take pics of it, I notice subtle differences in the way the pins are positioned from one wire to the next. There's also the danger of breaking something in the harness connector. I might just opt to cut and solder. I have two electrical engineers coming home for X-mas, so it might be a little "work-vacation" for them. The bigger challenge is how to trick them into doing daddy a little favor Or may be I could learn a new skill in the process .
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  #148  
Old 12-22-2019, 03:04 PM
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Quote:
Originally Posted by X5only View Post
Yeah, de-pinning seems like a viable alternative to cutting the wires, but the more I study the harness and take pics of it, I notice subtle differences in the way the pins are positioned from one wire to to the other. I might just opt to cut and solder. I have two electrical engineers coming home for X-mas, so it might be a little work vacation for them. The bigger challenge is how to trick them into doing daddy a little favor Or may be I could learn a new skill in the process .
If it were my kids with EE degrees coming over, I would put their minors in mechanical engineering degrees to work and pull the necessary interior components to fit the harness through without cutting. Solder is never on my list of splicing just because the soldered joints are now brittle and will not take any kind of flexibility it once had without the chance of breaking. Just my $.02
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  #149  
Old 12-22-2019, 03:05 PM
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Originally Posted by X5only View Post
Yeah, de-pinning seems like a viable alternative to cutting the wires, but the more I study the harness and take pics of it, I notice subtle differences in the way the pins are positioned from one wire to the next. There's also the danger of breaking something in the harness connector. I might just opt to cut and solder. I have two electrical engineers coming home for X-mas, so it might be a little "work-vacation" for them. The bigger challenge is how to trick them into doing daddy a little favor Or may be I could learn a new skill in the process .
If you use the heat gun solder connectors you won't need to learn a new skill. Unless using a heat gun is a new skill?

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  #150  
Old 12-22-2019, 03:14 PM
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Originally Posted by Overboost View Post
If it were my kids with EE degrees coming over, I would put their minors in mechanical engineering degrees to work and pull the necessary interior components to fit the harness through without cutting. Solder is never on my list of splicing just because the soldered joints are now brittle and will not take any kind of flexibility it once had without the chance of breaking. Just my $.02
That takes us back to crimped butt joints. Very, very small loss in flexibility.
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