Why is my battery light on in my Acura?
Why is my battery light on in my Acura? One reason your battery light might turn on is that a battery cable or wire belonging to the battery charging system is corroded or loose. How much is an alternator for an Acura TL? Acura TL Alternator Replacement Cost Estimate. Labor costs are estimated between $98 and $123 while parts are priced between $363 and $578. This range is based on the number and age of Acura TL's on the road. For a more accurate estimate based on your Acura and location, use our Fair Price Estimator. How long will a...