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3/20/26: Over the past month, I've been using any available spare time to work on the wiring for our truck.

We're in the process of outfitting a new RV to start a new phase in our lives, traveling the U.S. and this has significantly limited my wrench time on the truck. Unfortunate for the build, but fortunate for me, a pause my project to embark on this journey. While it was fresh in my head, I wanted to provide an update for both you and myself to document my progress thus far.

This has been a brutal winter here in upstate NY, so I’m really excited for the much needed break and to start a new phase of our lives.

After several revisions, I believe I have finalized the wiring diagram. This involved several nights drawing and revising a wiring diagram that I could follow while doing the installation but also for troubleshooting and future installs. I’ve added a four-fuse panel on the engine side firewall and replaced the fusible link that supplies power to the main fuse panel with a 40 amp fuse.

On the interior side, I’ve successfully completed the wiring for the dashboard, including the gauges, gauge lights, and headlight switch, all installed and functional. The dome light is also wired and works. The only task remaining for the cab is to connect the four wires from the turn signal switch to wires for the turn/stop/running lights, and finally, neaten and tying up the harness.

Moving to the engine compartment, I’ve wired dual horns using a relay. The additional four-fuse panel has been wired to protect the HEI with a relay and the headlights with relays for both high and low beams. Additionally, the brake switch and the high/low beams switch is wired and ready to go.

What’s left to be done includes wiring for the gas sending unit, connecting the headlights from the relays, and the turn, stop and running lights, which I’ll tackle once the corresponding body parts are assembled. Also, I bought dome fabric split loom I’ll need to install as well as installing wiring clips.


While there’s still a lot to do, I’m encouraged by the progress made and am optimistic about firing her back up after a two-year hiatus.

Thank you for your support and interest in my project. I appreciate every one of you and will keep you updated as I resume work after our travels.