1986 Lincoln Town Car "devistations" Questions

put in new radio, now have electrical problems swapped in new radio, couldnt get all speakers to work. took out the radio. went for a rid, parked, came back 2hrs later, and battery was dead. also ...

when the brake pedal is depressed a squealing noise comes from the engine compartment and the anti lock light comes on. The brakes work fine. i have a similar problem with light coming on ,so ignore ...