Table 1 shows twelve common electrical system related problems of the 2004 Buick Rainier. The number one most common problem is related to the electrical system (34 problems). The second most common problem is related to the instrument panel (30 problems).
Low beam lights go out when right turn signal is applied and returns to center position. A/c cooling fan does not cool compressor enough to run a/c at low speeds causing pressure to build up in feron receiver. Car is at idle or low speed. Read details...
After driving for a approximately one hour at 65-70 mph on the interstate the speedometer reading drops off from 70 eventually down to 0 mph. Upon stopping and restarting the engine at a rest stop the speedometer returns to an accurate reading for a short while. Read details...
The guage cluster works sometime. The only guage that works properly is the speed. There seems to be a short. Took it to the dealership and theyseem to think the cluster is bad but arent 100% sure sense it works sometime. Read details...