My car went dead my.son.took.a box under beneath the sterling wheel under the dashithinkitstheconputorboxsohegotausedoneonebaybutitsnotthesameyearmineisabuickregalhowmuchwouldtherightboxcost

Hi, this is Bo, an auto expert on RepairPal's Car Genius team! It sounds like you’re looking for a replacement engine control module (ECM) for your 1999 Buick Regal, which should match the exact year and model to avoid compatibility issues. A new ECM for a vehicle this age vary in price not including programming and labor. Some shops offer payment plans, so it might be worth asking around to find someone willing to work with you on repairs. Visit repairpal.com to find a trusted and certified shop in your area! If you need further advice or want help finding a trusted RepairPal shop in your area, please feel free to call us at 877-913-1554.