youtube it...thats how i found the way to do mine...type the model you have...Kenwood DNX-5140 bypass
Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.
Yeah, you can probably do it yourself if you are confident with wiring, otherwise you can buy a very simple bypass off of either eBay or Amazon for around $10.