Current and Past Models
Technical Service Bulletins and Manuals are available for current and past model GM vehicles.
ORDER TOLL FREE:
1-800-551-4123 Monday – Friday 8:00 AM – 6:00 PM Eastern Time
For Credit Card Orders Only (VISA-MasterCard-Discover), visit Helm, Inc. at: www.helminc.com.
Or write to:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Prices are subject to change without notice and without incurring obligation. Allow ample time for delivery.
All listed prices are quoted in U.S.
funds. Make checks payable in U.S. funds.
See also:
Electric Brake Control Wiring Provisions
These wiring provisions are included with the vehicle as part of the trailer
wiring package. These provisions are for an electric brake controller. The instrument
panel contains blunt cut wires ne ...
Radio Frequency Identification (RFID)
RFID technology is used in some vehicles for functions such as tire pressure
monitoring and ignition system security, as well as in connection with conveniences
such as key fobs for remote door lo ...
Active Fuel Management®
Vehicles with V8 engines may have Active Fuel Management™. This system allows
the engine to operate on either all or half of its cylinders, depending on the driving
conditions. When less power is ...






