Question about 1991 Volkswagen Jetta

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Brake lamps in-op

I have tried several things but no power to any of the brake lamps, no power to or from switch, fuse "Good", connections "Good", where would you suggest to go next?

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You're going to have to back probe the wiring to see where exactly the power goes away at. This can be a pain in the rear end. It sounds to me that there's a broken wire somewhere. Check behind the fuse block and see if you have a broken wire there or the fuse holder itself has corrosion at one of the connections.

Posted on Aug 29, 2008

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My Brake lights won't work on a 1998 Volvo S70


There are several possible reasons. Obvious ones might be checking for fuses that are burned out. Second would be making sure you are getting good connections to your brake lamps (all 3). Third, check the brake light switch at the pedal. And last, Volvo Part Number 9442303 is a brake lamp failure relay that can go bad. It's not inexpensive, but probably more than likely the issue. One way to check is to find out if your cruise control works. If it does not, it is likely the relay. It is grey and flat on all sides. Earlier model Volvos had round red ones. Check the location in the service manual.

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Brake light switch


tails lights are the GLOW when the headlights are pulled one cluck or 2, tails are also parking light (one click)
stop lamps HAVE nothing to do with that,
he never said but implies, the brake lamps are dead.
but OP, try posting what is dead, and not mix TL with BL.

my tails lamps are out , whith head lamps on.
or
when i brake , both stop lamps are out.
this will help.

Oct 08, 2013 | 1995 Jeep Wrangler

1 Answer

Brack lights wont light up on my 1988 ford ranger we keep blowing fuse and put in new brake switch


If you keep blowing the brake fuse than you have a short in the system. Unplug the brake switch. Install a new fuse. If it did not blow than the problem is after the brake switch. Next unplug the turn signal switch, then plug the stop light switch back in and press the brake pedal. Did the fuse blow. If not than the wiring is good in between the two switches. With the turn signal switch disconnected use a jumper wire in between the light green wire (power from the brake switch) and the orange with light blue wire (power to the right brake lamp). If the fuse blows than there is a short in the right side brake circuit between the plug in and the rear socket assembly. If the fuse does not blow than jump from the light green wire to the Light green with orange wire (power to the left brake lamp). If the fuse blows than the problem is in the left hand brake wiring circuit.

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1 Answer

I still have not been able to find fuse for brake lights. Looked on back of fuse panel, nothing, found hot wire on brake switch, no power on hot wire, but Haynes manual does not give enough information as...


Not to worry. Power for the stoplight switch comes from 20A fuse 5 in the power distribution center and is applied to the brake lamp switch (confusing, no?). Switch output is connected to a junction block and then to the center high mounted stop lamp. If you press the brake pedal, even with the engine off, the center high mounted stop light should come on.

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Brake lights don't work on 95 crown victoria


Battery power is applied through 15A fuse 1 in the I/P fuse panel. It passes through the brake on/off switch and is routed through the multi-function switch to the stop lamps. When the brake on/off switch is closed, the stop lamps light. Possible failures include the fuse, the brake on/off switch, the multi-function switch, and the filaments of the multi-purpose rear lights.

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1 Answer

1997 BMW Z3 brake lights won't come on.


The brake lamp circuits on your 1997 BMW Z3 are pretty "old-school" and straight forward. Fuse #46 (15 Amp), located in the Front Power Distribution Box at the left rear side of the engine compartment supplies battery voltage to the brake light switch via the VIOLET/GREEN wire going into the switch. When the bake pedal is depressed, the voltage leaves the brake lamp switch on the BLUE/RED wire and supplies power to all of the brake lamp bulbs.

The brake lamp circuits do branch off and go to several control modules. This is ONLY for module INPUT to tell the module that the brakes are being applied. These modules include:
> Transmission Control Module
> Cruise Control Module
> ABS Control Module
> Slip Control Module

The ONLY way that any of these modules could be affecting the operation of your brake lamps is if there is an internal short to ground in the module that is causing the brake lamp fuse to blow.

If NONE of your brake lamps are working, the most likely causes are:
> Fuse #46 open (blown)
> Defective brake lamp switch
> Bad ground connection at ground G400 (Left side of luggage compartment)
> All 3 of your brake lamp bulbs burned out.

Yes, the BLUE/RED wire could be broken as well, but I would check all the other things listed above first.

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1 Answer

I have a 90 chev 1/2ton the brake lamps are inop,i was towing a trailer and the turn and brake lamps became inop, checked fuses and found turnsignal fuse blown and the brake good,but the brake fuse was a...


Use a test light and see if there is power to the switch. Then depress the pedal and you should have power on both sides. If there is no power to the switch, check the harness from the fuse box to the switch. If it got that hot, it may have melted the wire covering in the harness. You can use a jumper wire to the power side of the switch and try the brake pedal. You can get an inline fused wire and connect to the power side wire and see if it blows the fuse. That will tell you if the feed in wire is grounded. If there is power at the switch and goes through when you press the pedal down, look at the harness under the truck, especially around connections. Hope this helps. Mike

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2 Answers

Brake light wont light up when brake pedal is pressed


Sounds like a brake lamp switch or fuse. Check all fuses electrically, with a test probe you can purchase from any auto parts store. Go through each fuse with the probe touching the end or tip of the fuse after clipping the lead on the probe to a good ground. If the probe lights up at both ends of the fuse, the fuse is sound, if it only lights up at one end then replace that fuse and if the probe does not light up at all, that fuse is not active so turn on the ignition but dont start the motor. The brake lamp switch is attached to the brake pedal. It may have a single wire or several. All the switch does is connect the brake lamp circuit to an active supply rail so, The switch should have one active wire and the other wire should become active when the pedal is pressed. If it does not, replace the switch. If it does, then you may have two blown bulbs in the rear lamps or a damaged wiring harness to the rear lamps and you should seek the advice of a qualified person. Start with the fuses, then the switch, then the bulbs..and remember, you may have more then one fuse panel in the vehicle so check under the hood too..

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1 Answer

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The brake fuse #1 is located inside the truck below the steering column. I am assuming you have verified there is 12v power at the fuse & thru the brake lamp switch (orange wire power in & white wire power out, when pedal depressed) at all times. After the brake lamp switch , power goes (white wire) to the Turn signal/hazard lamp switch & out (dark green wire-rt brake lamp & yellow left brake lamp)

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there is a tsb for the brake switch in 06 sonatas. it must be adjusted or replaced by dealership. is your check engine light on, if so its probably code p0504

Jun 20, 2008 | 2006 Hyundai Sonata

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