Anonymous posted an answer for this Pontiac Cars & Trucks:
"check for power at connection under seat. If you have power, heated seat grid in the seat..."
Anonymous posted an answer for this 2000 Pontiac Montana:
"Check the left rear tail light assembly. They are very common to get water into them and..."
Anonymous posted an answer for this 2000 Pontiac Montana:
"I had a 99 with the same problem, and suggest you check under the passenger side front..."