(713) 838-2886
Answer
Ive had my battery and alternator tested there both good and my battery light on my dashboard is on...
(More)
If you are buying them from a reputable parts/accessory dealer or an eBay shop with excellent feedback then you will be purchasing a product that should swop straight out with no adjustment or changes needed.
Let me know what brand or website you are purchasing from & i'll confirm the product or recommend the most suitable if you wish!