Brake lightsa


Asked by Mar 22, 2016 at 02:08 PM about the 1993 Toyota Pickup 2 Dr STD Standard Cab SB

Question type: Maintenance & Repair

Can anyone tell me...........
When headlight switch is in the off position both
brakelights function normally. When the switch is
turned on the taillights also function normally.
However-and heres the kicker-when the lights are
on and the brakes are applied one brake/taillight
functions normally and the other.......wait for
it.......goes dark. Does not work. Turns off etc.
When the brakes are released the light goes back
to normal. Whatever can it be?

3 Answers


Did u just change bulbs & it condition started, if so u may have done something, check? Have u always had this condition? Start at least by putting right bulb on left and visa/versa to make sure its not bulbs. If so still check connection plug. I like to first start with most obvious! Lol


Hey thanks for the help. Changed bulbs when I first became aware of the problem. Switched bulbs back and forth. I have not always had this condition. It just started, but I can't say for sure when. I just noticed it a couple days ago. Have checked connections everywhere from the brake switch to the bulb. Turned bulb 180° & tried to fit that way. (Only fits one way). Just thought of this......probably nothing but possibly............just traveled from Bakersfield, CA- warm and dry generally though not very humid- to a coastal city in NorCal where its been very damp and rained approx. 4/7 days I've been here.


got to be the ground...the tail-light sockets may not be connected very well to the chassis...The chassis connection to the battery may have some the Black to the Block too~ all connections should be clean and fresh with your NEW battery...your switch is okay....test voltages to pinpoint the source~

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