CRX Wiring Harness: Car & Truck Parts | eBay For sale is a chassis wiring harness from a 1991 Honda CRX SI. It was a typical 200k-mileage car that had a low-speed front-end crash. But the car had no modifications and had always passed smog. Rywire : Budget D & B-series Tucked Engine Harness OBD1 Budget D & B-Series Tucked Engine harness MADE IN THE U.S.A. This harness uses Mil-Spec Teflon coated wire with a maximum heat rating of 200°C. Our D-series and B-series compatible wire-tuck engine harness is nearly identical to our Mil-spec engine harness line with the primary difference being, the single black wire color and expandable loom.