When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Save that extra wire and the box and the receipt.
When those wires go bad I will tell you where to order good plug wires and you can return those and get your money back under the warranty.
Those wires should last you about 6 months, maybe less.