automobile relay question

Using Arduino General Electronics
5

codlink:
**I don't think auto relays are rated for 15A+.. ** You are going to have to find a relay rated at 30A or more.

120v 30a relay for sale | eBay

Sure there are, it's a pretty common relay application for controlling power window motors, seat motors, etc.

http://www.jameco.com/webapp/wcs/stores/servlet/StoreCatalogDrillDownView?langId=-1&storeId=10001&catalogId=10001&categoryName=cat_3535&subCategoryName=Electromechanical%20%2F%20Relays%20%2F%20Automotive&category=353505&refine=1&position=1&history=z0wjboma|freeText~relay^search_type~jamecoall^prodPage~15^page~SEARCH%252BNAV

http://www.goldmine-elec-products.com/prodinfo.asp?number=G18620