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.
If you have a cruise control, it is on the cruise control amplifier located under the dash by your right leg. It looks like a metal can about 1/2 inch thick by 1-1/4" x 1". If you don't have cruise control there is no relay, just a set of contacts on the steering wheel.
Good luck,