[V8] brake pad light on

[Scott Simmons]

After pulling my hair out, I got extremely lucky and found the wire 
break WITHIN a perfect-looking insulator about three inches behind the 
sensor.  Check for continuity to ground.  That's the best thing I can 
tell ya.  =|

~Scott S

Kent McLean wrote:

>John Dodd wrote:
>  
>
>>How can I fix this annoying light ?
>>My brake pads are new so is no reason for it.
>>    
>>
>
>I wish I knew. I have the same light in my 200 TQA. The pads have the
>sensor, the wires seem OK, but I still have the light (and a "Brake
>Light" when I step on the brakes).  My understanding is this:
>
>a) the circuit goes from ??? to the driver's side brake, over to the
>passenger side brake, and back to ???, where I think is a connection at
>the firewall and then to the instrument cluster.  If any part of the
>circuit (just a single wire) is broken, the warning light lights. The
>break in the circuit is supposed to be due to the pad wearing through
>the sensor (wire) in the pad, but as we know, it happens for other
>reasons.
>
>b) you should be able to remove the connection at the driver's side
>brake pad (first in the series), and jump the appropriate pins. This
>assumes the in-pad sensor (actually, just a wire) is at fault. I didn't
>have luck with this.
>
>c) if you can find the connection at the firewall ??? (the Bentley shows
>a connection for the 200, but it doesn't show where), you should be able
>to bypass the wiring to the brakes and disable the warning light.
>
>d) I've got a $100 tone generator [1], which someday I may hook up to
>the wiring in my 200, to trace the wire from the driver side sensor back
>to it's source. Someday. 
>
>[1]
>http://www.amazon.com/Extech-40180-Generator-Amplifier-Circuit/dp/B00023RVNO
>You can find similar ones at your local Home Depot and Lowes in the
>telephone and network section.
>
>  
>