Cut off front turn signals and brake lights and flashers don't work. everything else works. Is this a ground problem?
Hi, Anonymous before diagnosing any brake light issue always check the bulb and fuse first for integrity a brake light staying on is usually caused by the front brake light switch, which is mechanical, not disengaging. In early models moving the throttle control housing closer to the front brake master cylinder is the main fix. On late models, the switch gets tweaked and needs to be realigned. A brake light that does not come on when the brake lever is applied can be caused by a faulty switch or no continuity in the wiring at the switch. The rear brake light switch is hydraulic and it is extremely rare to malfunction in a closed circuit condition causing the brake light to stay on. Usually, rear brake light switch issues are caused by no brake pedal free play or a sticky rear master cylinder piston. A brake light that does not come on when the rear brake pedal is depressed can be caused by a faulty switch, air contamination in the brake line, or no continuity in the wiring at the switch. Finally, most tail light wiring harnesses run under the rear fender held in place by spot-welded clips. Worn out rear shocks or lowered suspension can bottom out causing the rear tire to come in contact with the wiring harness, rubbing the insulation off, exposing the bare metal inner core, allowing it to break or short out.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
https://www.hdforums.com/forum/dyna-glide-models/492188-need-help-no-brake-lights-turn-signal-or-horn.html
http://www.mediafire.com/file/f27bphwsjkq26y6/2004_Harley_Dyna_Service_Manual.pdf/file
https://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc
https://ownersmanuals2.com/harley-davidson/dyna-wide-glide-2005-owners-manual-66390
https://www.6ya.com/ to speak to me personally
SOURCE: 1987 toyota camry s/w back
Problem solved, Since 3 of the 4 turn signals worked I did not fuse was a problem
but after checking the turn swithch, I pulleded out the fuse which looked ok, but when
I put it back in all the turn signal lights woked! Apparently just one part of the surface
of the fuse was corroded.
SOURCE: No rear brake light / turn signals on 2001 Chevy Cavalier
The problem is the turn signal/headlight/hazard switch assembly on the steering column which the brake light wiring runs through. The part is easy to change and cost about $50 at most parts stores
SOURCE: turn sgnals, hazzard flasher and brake lights dont work
Sounds like either a fuse or bad flasher. Do the the turnsignal lights light up and stay on?
SOURCE: Rear turn signals and brake lights won't work
Probably the turn signal switch assembly. This is a common problem with the older Fords. The switch is a self contained unit at a cost of about $100.00.
SOURCE: REAR TURN SIGNALS WORK BUT MY BRAKE LIGHTS DONT
Replace the turn signal switch. If you want to prove this have someone stand behind the car with your foot on the brake. Then wiggle the turn signal lever. The brake lights should blink. This is a real common problem with W body. I have replaced two on my cutlass plus tons more at my shop.
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