Table 1 shows nine common electrical system related problems of the 1999 Toyota Sienna. The number one most common problem is related to the horn assembly (three problems). The second most common problem is related to the wiring (one problem).
I have a 1999 Toyota Sienna, bought new in April 1999. On November 11, 2005, I had to have the horn fixed because to make the horn function, you had to turn the steering wheel. It cost me $399. 35. The dealership listed "poor contacts in clock spring; replace clockspring". Read details...
: the contact stated while driving 35 mph on a rainy day on flat road conditions, the vehicle lost all back lights. The rain water created a short circuit on the vehicle harness cables in the hitcher. The cable harness was required to connect the trailer lights. Read details...
Battery went dead suddenly. Afterwards the dome fuse would blow intermittently. This knocks out all interior lights and the door lock control will not work unless the ignition is on. It appears that the $250 integration relay was shorted by the battery failure. Read details...