My brake lights work fine but no running lights fuses relays bulbs all check out fine
You might want to che k the headlamp switch it controls the running lights and also the headlights i had same problem headlights work but no running lights
SOURCE: Not your typical brake light problem...
hello what i would do first disconnect the wires off the brake light switch test the power wire to make sure you have power to the switch if you do contact them to bypass the switch completely test see if your lights are lit if not i would trace the wiring back to the sockets contacts inside might be corroded or wires in the socket are not contacting the metal tab or broken at the crimp they sell replacement sockets you can splice into the harness if you dont have power at the break light wires you need to trace wires back to fuse panel first check to make sure there is not a secondary fuse box under your hood usually on drivers side near the strut tower usally says fuses goodluck please rate
SOURCE: brake lights/rear turn signals
I had the same problem with my 1999 Yukon. The electric board needed to be replaced. Rust starts to build up and shorts out or blows the bulb. The dealership charged $73.60 for the part and I installed it myself (Saved $30).
SOURCE: 2005 Toyota Sienna rear brake light problem.
have you checked the earthing continuity-if it's this other bulbs may also partly light when brakes used
otherwise-
Check continuity of live from center to lh & rh lights and/or is there a live at those lights
SOURCE: brake lights went out, changed bulbs, checked fuse, still wont work
You have to check the brake light switch which should be around the brake pedal on the upperside.
Ones located rremove the wires tht go to the switch and jump them by using a piece of wire, thn check if the brake lights come 'on'. If they do , thn its the switch tht may need replacing or even sometimes adjusting inorder to operate.
Hope this helps.
It would appear the problem is with one or more bulbs or sockets or both. As you many notice, there are no connections between the headlamps and brake lamps except the parking lamps (which share the bulbs/sockets)
When the headlamps are turned on, so does the tail lamp relay. As you can see, these bulbs/sockets are 'DUAL' filament to ground (series-parallel circuit). Just a guess here - the short is in one of the lower rear brake/parking lamp bulbs/sockets.... just a guess.
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