WELCOME TO THE JUNGLE! - 85 C10 5.3 LS Swap - Engine / Transmission Wiring + FIRST START! - UTX

Welcome to Ugly Truck, we got fun and games! We're finally ready to wire up the 5.3L and 4L60E transmission in this 1985 Chevy C10, and we're DEFINITELY ready to hear it run! We take it one circuit at a time, following the wiring diagrams for the 2005 Chevy Suburban 5.3 L59 donor truck, and set up our new fuse boxes. Remember when we said "Relays are your friend"? We meant it! The new 5.3/4L60E takes a lot more amperage than the old 305, but by looking at the power distribution diagrams for the 85 C10 and the 2005 LS, we can use relays to carry that load. Sorting through all these wires and soldering the connectors is a long and tedious process, but hearing the exhaust for the first time was worth all the effort!

If you missed our other video on LS swap wiring, check it out here!    • LS SWAP WIRING BASICS - What you shou...  

Thanks for watching! Click here to get caught up on the swap!    • 1985 Chevy C10 - LS SWAP - UGLY TRUCK...  

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