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.
Get a fuse tap and do it at the panel in the passenger foot area. Will take no time at all and you do not need to permanently cut, splice or modify the existing wiring. Just use a test light to find a fuse that is hot only with ignition. Many to choose from in that panel.
A fuse tap is simple and can be found at any auto parts store. An example and picture is about half way down the page on the following site.