[V8] No rear brake light wackyness

[Ron Wainwright]

Ok, again I just checked the Black switch & with the
pedal pressed in or not the circuit tester doesn't
light up.
 So I'll replace the Black switch & see what happens.

 Thanx
Ron

--- Ingo Rautenberg <ingo.rautenberg at gmail.com> wrote:

> Ron, I believe the black one is for the brake lights
> and the clear is  
> for the cruise control interrupt switch.  The one
> for the brake  
> lights works such that when the brake pedal is
> depressed the switch,  
> which is normally closed, is opened and when open
> the contacts inside  
> are closed.  So make sure you're checking the right
> way!  Usual  
> failure mode IME is the brake lights don't turn off
> -- and that's  
> because the hold-down nut is worn and the switch
> closes the circuit  
> and the brake lights stay on all the time. I haven't
> seen the actual  
> switch fail either. But that's from memory.  I'd
> check but I broke my  
> right leg tibia bone Sunday afternoon.  No
> driving/wrenching ANYTHING  
> for me for a while :-(
> 
> Ingo
> 
> On Oct 10, 2007, at 3:18 PM, Ron Wainwright wrote:
> 
> > I did check the switches at the back of the brake
> > pedal...there's a Black one & Clear/White
> one..which
> > do I check. But anyway....
> > ...I put a circuit tester on the wires there & the
> > circuit tester doesn't light up..as I mentioned in
> my
> > original post.
> >  But not sure why those would be bad...I've never
> had
> > to replace them in any Audi I've owned.
> >
> >  Ron
> >
> > --- Ingo Rautenberg <ingo.rautenberg at gmail.com>
> wrote:
> >
> >> Ron,
> >>
> >> Did you check for continuity in the circuit from
> the
> >> brake light
> >> socket to the brake light switch?  That'll tell
> you
> >> if there's a
> >> problem in between.  You may indeed have a bad
> >> switch (you should
> >> have plenty of spares in your depot).
> >>
> >> Best of luck.
> >>
> >> Ingo
> >>
> >> On Oct 10, 2007, at 2:44 PM, Ron Wainwright
> wrote:
> >>
> >>> The turn signal & hazards work as they should.
> >> It's
> >>> the brakes that don't work. The dual filament
> bulb
> >>> lights up one of the filaments when I turn the
> >> HL's
> >>> on...but when pushing on the brake pedal the
> other
> >>> filament doesn't lite up. Totally different bulb
> >> from
> >>> the turn signal/hazard bulb. & the rear light's
> in
> >> the
> >>> windshield obviousley don't work eather...just
> for
> >> the
> >>> record.
> >>>
> >>>  UPDATE....I pulled the fuse box & everything
> >> looks
> >>> good, all the connectors are were there supposed
> >> to
> >>> be, ect. The reason I mention this is cause a
> >> lister
> >>> mentioned I may have to change out
> >> fusebox's.....but I
> >>> don't think it's a fusebox issue..remember when
> >>> pushing on the horn..which is tied into the same
> >>> circuit the Logic
> >>> relay for P/N-lock (relay possision 15) & relay
> >> for
> >>> back-up-lights (possision 14) in the second tier
> >> of
> >>> relay's, they click.
> >>>
> >>>  Ron
> >>>
> >>> --- sdewitt at stx.rr.com wrote:
> >>>
> >>>> Somewhere in all that mess, is tied into the
> >> hazard
> >>>> light switch circuit. might want to check that,
> >> as I
> >>>> recall, both the hazard and the turn signals
> are
> >> the
> >>>> same bulb.
> >>>>
> >>>> ----- Original Message -----
> >>>> From: Ron Wainwright <ron_01056 at yahoo.com>
> >>>> Date: Wednesday, October 10, 2007 12:48 pm
> >>>> Subject: [V8] No rear brake light wackyness
> >>>> To: v8 at audifans.com
> >>>>
> >>>>> Listers, small problem with my rear brake
> >>>>> lights...THEY DON'T WORK!
> >>>>>
> >>>>> So I check the fuses & while didling with fuse
> >>>>> #3....horn/brake lights/P-lock buzzer/2nd &
> 3rd
> >>>> stage
> >>>>> fan relay...I can see it lighting up, or
> >> arching,
> >>>> &
> >>>>> while pushing the horn in I hear & feel the
> >> Logic
> >>>>> relay for P/N-lock & relay for back-up-lights
> >>>> click.
> >>>>>
> >>>>> All bulbs are good, license plate lights light
> >> up,
> >>>>
> >>>>> hazards work, turn signals work, ect...just no
> >>>> brake
> >>>>> lights.
> >>>>>
> >>>>> I all so checked the brake switches at the
> >> pedal,
> >>>> but
> >>>>> couldn't get eather to light up with a circuit
> >>>>> tester...is that my problem...the pedal
> >> switches?
> >>>>> I replaced both relays in the pannel as well,
> >> but
> >>>>> they still click.
> >>>>>
> >>>>> Any help would be great since in 2 weeks I'll
> be
> >>>>> dropping the car off in MN to it's owner.
> >>>>>
> >>>>> Ron
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>
> >>
> >
>
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