7202 Evergreen Way Everett, WA 98203

Toll Free: (800) 854-4176

Phone: (425) 353-6563

Fax: (425) 355-6159



Monday- Friday: 8am- 5pm

Saturday: 10am- 2pm

Sunday: CLOSED


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  • Priority Start is an automatic heavy duty computerized on/off switching system protecting battery voltage and starting power.  If battery voltage drains below 11.9 volts when engine is off, it automatically disconnects the load.  The battery voltage immediately recovers.  TO START: just step on the brake pedal, starting power is automatically reconnected.  Designed to handle 1000 starting amps.  Priority Start is NOT a battery charger or booster that is used after the battery has already been damaged.
  • No waiting for emergency trucks, or calls for help.  Stay safely inside your vehicle.  No lifting hood or attaching dangerous jumper cables.  No buttons or switches to push.  Pays for itself 1st time it saves you, ready to protect you every time you need it.
  • Using portable battery chargers/boosters, dangerous jumper cables, or calling a tow truck means you have already had a dead battery and done irreparable damage to your battery. 
  • No hard wiring or modifications, transferable, and certified to ISO, USCG, and SAE standards.  Maintenance free.
  • Totally automatic!  Always on duty, always remembers - providing you with safety and peace of mind.


  • Priority Start attaches easily to any 12 volt top or side-post vehicle battery.  No modifications are necessarry.
  • Three easy connections (see picture above) 1: Existing vehicle positive cable to Priority Start.  2: Priority Start cable to battery positive post.  3: Attach ground wire to battery negative post.


  • Priority Start works with 12 volt top and side-post storage batteries.
  • Perfect for: Cars, Recreational Vehicles, Van Conversions, Construction Vehicles, Off Road Vehicles, Farm Vehicles, Mobility Vehicles, Light Trucks, Fleet Vehicles, Motor Homes, Fork Lifts, and Industrial Vehicles.  Also available in Marine, Pro-Series, Mobility and 24 Volt.

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Access Mobility Systems
is a QAP 5 Star facility. AMS adheres to national guidelines, that our staff welders are certified, and that all our technicians are factory trained and certified in the products we install and service. Our commitment is to safety, excellent customer service and quality products.

Go to Contact US to e-mail AMS directly for more specific information about our products and services