One problem related to tail light switch has been reported for the 1999 Toyota 4Runner. The most recently reported issues are listed below.
Rear tail lights keep going out, not only one but all tail lights. Consumer had to replace tail lights 3 times in last year. Fog lights failed. The vehicle was serviced more than three times for electrical problems.
| Fog Lights problems | |
| Tail Light Switch problems | |
| Brake Light problems |