Painless Wiring For Classic Cars episode artwork

EPISODE · Jun 18, 2026 · 28 MIN

Painless Wiring For Classic Cars

from In Wheel Time Podcast: Your Go-To Automotive Talk Show · host In Wheel Time Podcast | Automotive talk with Don Armstrong, Michael Marrs, and Jeff Dziekan

Wiring is where a lot of classic car projects go to die: brittle insulation, mystery splices, random colors, and “temporary” fixes that turn into permanent hazards. From the Lone Star Street Rod Association State Run in Granbury, Texas, we sit down with Dennis Overholster from Painless Performance Products, the company so many builders mention when they want a clean, reliable automotive wiring harness for a street rod, classic truck, or restoration.Dennis breaks down what Painless actually does day to day, from using tens of millions of feet of wire each year to building harnesses by hand on layout boards for consistent routing and branch lengths. We get into the real craft of reverse engineering: bringing a vehicle into the shop, deconstructing the original harness, building prototypes, test-fitting, documenting every change, and then producing a kit that’s repeatable. If you’ve ever wondered why a good harness costs what it costs, the “it can take a year to get it right” explanation lands hard.We also go practical with classic car electrical upgrades: six volt versus twelve volt systems, choosing wire gauge with headroom, and why a simple relay often fixes problems when modern accessories like air conditioning demand more current than the original circuit can safely deliver. And if you’re nervous about installation, you’ll love hearing about the full-color manuals and the phone support that helps first-timers avoid expensive mistakes.If you enjoy smart car talk and want fewer electrical surprises, subscribe, share this with a friend who hates wiring, and leave us a review so more builders can find the show.Be sure to subscribe for more In Wheel Time Car Talk!The Lupe' Tortilla RestaurantsLupe Tortilla in Katy, Texas Gulf Coast Auto ShieldPaint protection, tint, and more!Disclaimer: This post contains affiliate links. If you make a purchase, I may receive a commission at no extra cost to you.----  ----- Want more In Wheel Time car talk any time?     In Wheel Time is now available on Audacy!  Just go to Audacy.com/InWheelTime where ever you are.-----   -----Be sure to subscribe on your favorite podcast provider for the next episode of In Wheel Time Podcast and check out our live multiplatform broadcast every Saturday, 10a - 12nCT simulcasting on Audacy, YouTube, Facebook, Twitter, Twitch and InWheelTime.com.In Wheel Time Podcast can be heard on you mobile device from providers such as:Apple Podcasts, Amazon Music Podcast, Spotify, SiriusXM Podcast, iHeartRadio podcast, TuneIn + Alexa, Podcast Addict, Castro, Castbox, YouTube Podcast and more on your mobile device.Follow InWheelTime.com for the latest updates!Twitter: https://twitter.com/InWheelTimeInstagram: https://www.instagram.com/inwheeltime/https://www.youtube.com/inwheeltimehttps://www.Facebook.com/InWheelTimeFor more information about In Wheel Time Podcast, email us at [email protected]

Episode metadata supplied by the publisher feed · Published Jun 18, 2026

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Wiring is where a lot of classic car projects go to die: brittle insulation, mystery splices, random colors, and “temporary” fixes that turn into permanent hazards. From the Lone Star Street Rod Association State Run in Granbury, Texas, we sit down with Dennis Overholster from Painless Performance Products, the company so many builders mention when they want a clean, reliable automotive wiring harness for a street rod, classic truck, or restoration. Dennis breaks down what Painless actually ...

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Painless Wiring For Classic Cars

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This episode was published on June 18, 2026.

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