Wire Sleeve - AutoZone | Auto Parts & Accessories A car or truck's electrical system is subject to the elements and liable to encounter moisture, dirt and heat over the lifetime of the vehicle. If a wire becomes damaged or torn, the vehicle could injure you and also need costly repairs. An easy fix is to apply wire sleeves to the electrical wires to keep them from becoming destroyed.Dorman Black Wire Conduit · Dorman Split Wire Conduit Amazon: automotive wire cover Amazon: automotive wire cover. Skip to main content. MGI SpeedWare - 25ft Braided Split-Sleeve Wire Wrap Loom for Automotive Harness, Primary Wire, and Electronic Cable Management (1/2") 5.0 out of 5 stars 3. $34 $ 34. 99. Get it as soon as Tue, Jul 9. FREE Shipping by Amazon.