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'99 - '06 GM Truck Modifications
Transmission & Transfer Case
Dead 4x4, and/or dead 4L60?
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<blockquote data-quote="idatahoe" data-source="post: 28455" data-attributes="member: 15122"><p>Hi everyone,</p><p></p><p>It's been a while. Finally getting ready to do the swap. Picked up a 27 spline NP241C and pulled the studs from the original transfer case to put on the "new" case. One stud was an absolute bear, but all made it over.</p><p></p><p>I have a few questions before I proceed.</p><p></p><p>[ATTACH=full]5871[/ATTACH]</p><p></p><p>I'd like to have a working speedometer/odometer. I assume the transfer case output is used for that? The GMT800 connector is on the left, the GMT400 connector on the right. GMT400 connector is larger. Assuming this is my speedometer wiring, does anyone know of someone selling adapters, or where I could get pigtail to put this together? Unfortunately, I don't have any wiring harness parts.</p><p></p><p>I'm not concerned about the 4x4 actuation because I plan on using a cable setup for that.</p><p></p><p>[ATTACH=full]5872[/ATTACH]</p><p></p><p>What is this port with the red cover for? A breather?</p><p></p><p>[ATTACH=full]5873[/ATTACH]</p><p></p><p>What is the red marked and blue marked line? Blue marked one looks like maybe 3/16" or 1/4" hose.</p><p></p><p>I am assuming one is a breather, but confused at why I'm seeing two. Not sure what I should do here.</p><p></p><p>It looks like someone was in this NP241C before. Ideally I would go through it, but I'm starting to run out of time and am hoping for the best.</p><p></p><p>Thank you!</p></blockquote><p></p>
[QUOTE="idatahoe, post: 28455, member: 15122"] Hi everyone, It's been a while. Finally getting ready to do the swap. Picked up a 27 spline NP241C and pulled the studs from the original transfer case to put on the "new" case. One stud was an absolute bear, but all made it over. I have a few questions before I proceed. [ATTACH type="full"]5871[/ATTACH] I'd like to have a working speedometer/odometer. I assume the transfer case output is used for that? The GMT800 connector is on the left, the GMT400 connector on the right. GMT400 connector is larger. Assuming this is my speedometer wiring, does anyone know of someone selling adapters, or where I could get pigtail to put this together? Unfortunately, I don't have any wiring harness parts. I'm not concerned about the 4x4 actuation because I plan on using a cable setup for that. [ATTACH type="full"]5872[/ATTACH] What is this port with the red cover for? A breather? [ATTACH type="full"]5873[/ATTACH] What is the red marked and blue marked line? Blue marked one looks like maybe 3/16" or 1/4" hose. I am assuming one is a breather, but confused at why I'm seeing two. Not sure what I should do here. It looks like someone was in this NP241C before. Ideally I would go through it, but I'm starting to run out of time and am hoping for the best. Thank you! [/QUOTE]
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Transmission & Transfer Case
Dead 4x4, and/or dead 4L60?
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