V-Twin News: Big Dog Motorcycle Problems Again? Wire Plus Nov 14, 2013Just take off the stock Big Dog wiring harness (usually takes 1 - 2 hours) and send it to Wire Plus so they can do all of the work for you. They will visually inspect each individual wire, eliminate the "printer style" connectors that are exclusive to Big Dog, put on new waterproof Deutsch connectors that will make the harness "plug and playAuthor: Kit Maira big dog wiring | eBay Find great deals on eBay for big dog wiring. Shop with confidence. Skip to main content. eBay Logo: OEM BIG DOG MOTORCYCLES MAIN WIRING HARNESS 2003 CHOPPER W/ GREEN PLUG ENDS See more like this. 2005 BIG DOG HAND CONTROL WIRING HARNESS ALL MODELS EXC. CHOPPER & RB PCB SWITCH See more like this.