The problem
Grounding of the ac power source may be defective (or there may be no electrical grounding at the ac power source).
The risk
Anyone coming into physical contact with the truck whileit is connected to a non ground ac power source may receive an electrical shocksufficient to cause personal injury or death.
The fix
Rewire engine block heater to assure proper grounding.
Contacts
System: electrical.Vehicle description: heavy duty trucks.
What to do
- Check your VIN. Enter it at nhtsa.gov/recalls - it shows whether this recall applies to your vehicle and whether the repair has been done.
- Call a dealer. Any authorized White GMC dealer will do the repair free, whether or not you bought the vehicle there. Quote campaign 88V174000.
- Ask about parts and a loaner. If parts aren't available yet, ask what to do in the meantime.
- Keep your paperwork. If you paid for this repair before the recall, you may be able to get reimbursed - here's how.