|
|
|
|
| Author |
|
|
Tony
Join Date: Sep 2007
Location: Cincinnati, OH
Posts: 1,149
|
Only one brake light out
I know there are a million brake light threads, but couldn't find an answer to this one.
I have only one inop brake light (passenger side). It's not the bulb, as I tried the bulb from the working brake light. On the passenger side the reverse light and tail light work (I think the tail light and brake light is the same, no?). I can't remember. I think it is a switch or wire but not sure. As I understand there are two brake light switches under the pedals but thy are wired is series. So why would one light work and not the other? Where do the signals split from the pedal to the lights? Anyone else have this problem?
__________________
Tony 22 GT4 04 E46 M3 87 Carrera (sold - craving aircooled again) 12 991 Carrera (sold) |
||
09-09-2012, 07:37 AM
|
|
|
muck-raker
Join Date: Jan 2009
Location: Coastal PNW
Posts: 3,059
|
sounds like a wire. With all the lights on, I'd have someone step on the brake pedal while I get underneath with a test light and start probing the wires to the housing.
__________________
STONE '88 Cabriolet, using EP Slick 20w50 partial synthetic Snake Oil...just as Rommel intended.  Deny Everything; Admit Nothing; and Always Make Counter-accusations 
|
||
|
09-09-2012, 08:41 AM
|
|
|
ROW '78 911 Targa
|
The lamp sockets are notorious for weak spring contacts at the back. Use a bent o ring pick to pull it forward a little. Or it may be a loose wire in the housing.
|
||
|
09-09-2012, 09:01 AM
|
|
|
Registered
Join Date: Aug 2006
Location: SoFLA
Posts: 5,536
|
And of course, check the ground(s). Typically a brown wire.
|
||
|
09-09-2012, 09:04 AM
|
|
|
Tony
Join Date: Sep 2007
Location: Cincinnati, OH
Posts: 1,149
|
Yes I have read about the spring contacts. I'm not exactly sure what that means but I will take a look. If not that then I'll check out the wires. .
|
||
|
09-09-2012, 09:30 AM
|
|
|
Registered
Join Date: Apr 2005
Location: outta here
Posts: 53,521
|
Might also be a diode in the harness. It seems like there's one on that side, for some reason.
JR |
||
|
09-09-2012, 09:32 AM
|
|
|
|
Registered
Join Date: Jun 2009
Location: Manhattan Beach, California. Factory Delivery-Original owner-Retired engineer
Posts: 5,238
|
Lights.
Hope this helps.
pm me as needed. Good luck, Gerry 
__________________
1986 911 Targa. Per Road and Track magazine: Only in L.A.: In the window of a bar in Hermosa Beach, California. "Happy Hour prices during all car chases." |
||
|
09-09-2012, 09:58 AM
|
|
|
Tony
Join Date: Sep 2007
Location: Cincinnati, OH
Posts: 1,149
|
Ha I knew someone was going to post the wiring diagram. I appreciate it but that is all Greek to me. Checking the springs now.
__________________
Tony 22 GT4 04 E46 M3 87 Carrera (sold - craving aircooled again) 12 991 Carrera (sold) |
||
|
09-09-2012, 12:26 PM
|
|
|
Tony
Join Date: Sep 2007
Location: Cincinnati, OH
Posts: 1,149
|
Ok I saw the clips and tried to pull them out a little. Waiting for my brake light tester to come home from her weekend trip...
__________________
Tony 22 GT4 04 E46 M3 87 Carrera (sold - craving aircooled again) 12 991 Carrera (sold) |
||
|
09-09-2012, 04:38 PM
|
|
|
Registered User
Join Date: Sep 2012
Posts: 5
|
It seems like there's one on that side, for some reason
 
|
||
|
09-09-2012, 04:45 PM
|
|
|
Go-Kart Mozart
|
Quote:
What the heck has burned under my dash?? J |
||
|
09-09-2012, 08:00 PM
|
|
Heinz
