After replacing bulb for right frnt blinker and checked fuse....blinker still does not work.


Asked by Nov 01, 2013 at 08:01 PM about the 2008 Toyota 4Runner

Question type: Maintenance & Repair

2008 Toyota 4Runner.  I replaced the right front blinker bulb and checked the fuse for the 'parking lights' slot on fuse schematic and it was good, the bulb turns on when the headlamps are turned on, but the blinker does not work with headlamps on or off.  Right rear blinker works fine.  Old bulb was good and not the problem.  What is the next item to check before taking to the shop?  Why is everything so difficult?  Thnx in advance.

3 Answers


Check the socket. If you look closely at the bulb you'll see two filaments inside the bulb. One is for the parking light the other is for the "blinker". Now look at the socket. You'll see two copper "buttons". These must make contact with the buttons on the bottom of the bulb. Try putting some Vaseline on the base of the bulb then insert it. HTH. - Jim

4 of 4 people found this helpful.

Followed your directions. Still does not work. Note that this bulb has only one filament is orange in color and about the size of a thumbnail. It snaps in and out easily. The bulb comes on when the headlamps are turned on only, but does not work when the turn signal or hazard lights are activated. The left side amber parking light is on all the time as it should be whether the head lamps are on or not. Any suggestions?

3 of 3 people found this helpful.

I see. It's most likely a bad socket. Use a 12 volt DC test light. Switch on the turn signal or 4 way hazards. The test light should blink when one of the metal terminals inside the sockets is touched by the test light probe. If so, the socket is bad. It may be a bad wire at the socket. Wiggle and jiggle the wire near the socket to see if you can get the test light to at least flicker. Either way you can replace the socket. Not a hard job. I'm familiar with this type of socket. At work two of our delivery vehicles have them. We've had trouble with them. Does your vehicle use bulb number 3157? You can also try gently bending the metal wires on the base of the bulb outward to help make contact with the metal clips inside the socket. HTH. -Jim

2 of 2 people found this helpful.

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