Attempting a First Drive, But is the Transmission Broken? [Cummins Swap Part 21]

I attempt to bring my Cummins/Eaton swapped GMC C3500HD for its first drive! I also (finally!) do a body reveal after painting the truck last fall. Wheel simulators for C3500HD: https://amzn.to/33LIxTk LED headlights: https://amzn.to/3g63P3v Instagram:   / waldowelds   Full build series playlist:    • Cummins Swapping a GMC C3500HD - Pulling t...   Any purchases you make using the links provided help to support the channel at no extra cost to you! As an Amazon Associate I earn from qualifying purchases.

Installing Towing Mirrors on my Project Truck [Cummins Swap Part 22]
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Installing Towing Mirrors on my Project Truck [Cummins Swap Part 22]

Increasing this Truck's Top Speed From 67 MPH to 93 MPH [Cummins Swap Part 26]
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Increasing this Truck's Top Speed From 67 MPH to 93 MPH [Cummins Swap Part 26]

DIY Flatbed Build [part 1]
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DIY Flatbed Build [part 1]

Ford F700 Cummins Chipper Truck Project - Eaton 4005 Transmission Repair and Exhaust Leak - Part 2
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Ford F700 Cummins Chipper Truck Project - Eaton 4005 Transmission Repair and Exhaust Leak - Part 2

Cummins/Eaton 5-Speed Swapping a GMC in 12 Minutes (AWESOME Result!)
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Cummins/Eaton 5-Speed Swapping a GMC in 12 Minutes (AWESOME Result!)

He Bought This Peterbilt Sight Unseen..Now we’re Broke Down 1000 Miles Away!!
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He Bought This Peterbilt Sight Unseen..Now we’re Broke Down 1000 Miles Away!!

Ford Ranger Transmission Rebuild - It's Easier to Get into Fort Knox - Part 1
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Ford Ranger Transmission Rebuild - It's Easier to Get into Fort Knox - Part 1

Building a P-Pump 24v Cummins Squarebody Chevy #24vScottsdale [EP1]
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Building a P-Pump 24v Cummins Squarebody Chevy #24vScottsdale [EP1]

This 1992 Sierra's No Start Secret: It's SUPER Common
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This 1992 Sierra's No Start Secret: It's SUPER Common

Why I'll NEVER Run a Stuck Engine Without Taking It Apart First - Caterpillar RD-6 Diesel
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Why I'll NEVER Run a Stuck Engine Without Taking It Apart First - Caterpillar RD-6 Diesel

Fixing Steering Slop and Doing a Front Wheel Alignment [Cummins Swap Part 27]
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Fixing Steering Slop and Doing a Front Wheel Alignment [Cummins Swap Part 27]

Re-Routing Some Hoses + First On-Road Drive! [Cummins Part 25]
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Re-Routing Some Hoses + First On-Road Drive! [Cummins Part 25]

Don't throw away old generator engines if you don't know this! You'll be shocked
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Don't throw away old generator engines if you don't know this! You'll be shocked

Cummins Swap: Painting, Fitting a 200 Amp GM Alternator, and Replacing the Vacuum Pump [Part 6]
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Cummins Swap: Painting, Fitting a 200 Amp GM Alternator, and Replacing the Vacuum Pump [Part 6]

Why They Don't Make Lumber Like They Used To
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Why They Don't Make Lumber Like They Used To

Installing a Custom Interior for my Cummins-Swapped GMC Project Truck [Part 19]
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Installing a Custom Interior for my Cummins-Swapped GMC Project Truck [Part 19]

The Most Depreciated Exotic — Full service
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The Most Depreciated Exotic — Full service

Fabricating a Custom Stainless Steel Exhaust for my Cummins Swapped Project Truck [Part 20]
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Fabricating a Custom Stainless Steel Exhaust for my Cummins Swapped Project Truck [Part 20]

Cummins Swap First Start! Plus Wiring a Computer-Controlled Engine [Part 17]
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Cummins Swap First Start! Plus Wiring a Computer-Controlled Engine [Part 17]

We Bought an Abandoned Ship 4 Years Ago... This Is What Happened
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We Bought an Abandoned Ship 4 Years Ago... This Is What Happened