no you would need an amp and either a cap or do a big three wiring our alt put out about 140 150 amps some were on here some one has an amazing tutorial about what you can and can not run off stock with an amp how big an amp you can use and whether or not you need to get a bigger cap or re wire a secound batterie in there and has all the math for it to i hate math and was able to do it really quick and figure out i needed to run a secound battrie or id kill my altenator