Here is detailed route to Detroit Diesel Allison Division of GMC - Service, Edison Used cars dealership. Make sure you call on 732-246-5070 before you arrive at their location which is 10 Parsonage Road, Edison, NJ. Their official timings are 8:00 AM to 7:00 PM Monday to Saturday. Make sure you call and get appointment before hand.
you can always call or text them on 732-246-5070 to get the Directions to their store
Detroit Diesel Allison Division of GMC - Service, 10 Parsonage Road's Map in edison