Gary G Posted March 10, 2003 Share Posted March 10, 2003 Both have stopped working on my SL. Haven't checked the fuse yet, but I suspect the brake light switch as this failed on my previous 7. Does the SL use a pressure switch mounted close to the brake fluid reservoir? If so, how easy it it to take of and connect the new one without losing lots of brake fluid? Any recommendations? C7 GAR Link to comment Share on other sites More sharing options...
Mark Piper Posted March 10, 2003 Share Posted March 10, 2003 Gary, could well be a fuse, check that first. ISTR that the pressure switch is mechanical, i.e. nothing to do with brake fluid but acting on the pedal box end of the brake pedal.I think mine needs adjusting too as I'm pretty sure my brake lights are on alll the time - legacy of my moving the pedals relative to the fixed position of my new tillets (BTW I can recommend tillets, you ought to get some yourself)....If you like, bring the car over Saturday and we'll have a play - you'll also be able to see my tillets and bring over that aeroscreen that Darren should have dropped off to you tonight... Link to comment Share on other sites More sharing options...
Nick Woods Posted March 10, 2003 Share Posted March 10, 2003 Gary, as far as I know your pedal box is the same as mine, in which case you should have a mechanical plastic switch which you can adjust by loosening the nuts that hold it in place. I would take Marks advice though and check the fuse first. Dont forget to turn the ignition on before you check the brake lights because they dont work otherwise (guess what I did...) 😳 😳 Nick P8MRA - Red and Black 1.6K supersport, back on the road at last. See pictures of it being rebuilt here Link to comment Share on other sites More sharing options...
Mrs Kipper Posted March 11, 2003 Share Posted March 11, 2003 Gary, I had the same problem with the loss of both break lights. The problem was the mechanical switch found in the pedal box. All I did was take the switch off the car, take it apart (be careful as there is a small spring inside that will fly out), give it a good spray of WD40, clean the contacts and put it back together. Worked a treat and no problems since. Kipper Fun is not a straight line. Link to comment Share on other sites More sharing options...
Gary G Posted March 11, 2003 Author Share Posted March 11, 2003 Thanks for all your replies. I'll definitely check the fuse first, but I'm glad the switch is mechanical in anycase since this is much easier than replacing the pressure switch. Presumably I can access the switch by taking the pedal box cover off? C7 GAR Link to comment Share on other sites More sharing options...
Mark Piper Posted March 11, 2003 Share Posted March 11, 2003 That's the only way you can access the switch. Note also that the screws holding the cover differ in size from each other...note their position Link to comment Share on other sites More sharing options...
jerrypike Posted March 11, 2003 Share Posted March 11, 2003 gary very timely thread, as i'm now in the same boat with my slr, which i assume is very much the same any clues as to which fuse as i have no manuals of any sort!? thanks jerry Link to comment Share on other sites More sharing options...
Al Crickmore Posted March 11, 2003 Share Posted March 11, 2003 You have been using your brakes too much. Try the pedal on the right for a change. Link to comment Share on other sites More sharing options...
robmar Posted March 11, 2003 Share Posted March 11, 2003 I belive the fuse for the brake light (and sidelights I think) is the top most one in the fuse block. At least it is on my 2001 SL 15 amps as well think 🤔 rob Link to comment Share on other sites More sharing options...
jerrypike Posted March 11, 2003 Share Posted March 11, 2003 rob thanks very much, should save endless fuse pulling jerry Link to comment Share on other sites More sharing options...
jerrypike Posted March 11, 2003 Share Posted March 11, 2003 al quite the reverse, i only found out because bill couldn't believe i wasn't braking for the pits chicane @ bruntingthorpe 😬 i wasn't (just a lift in 4th) but i'm sure he wasn't convinced when the lights turned out not to be working jerry Link to comment Share on other sites More sharing options...
Gary G Posted March 15, 2003 Author Share Posted March 15, 2003 Thanks for all your help. I fixed the problem today. The contacts inside the switch were dirty. I simply cleaned them up and hey presto. Just for info: On my 1999 SL, the brake-light fuse is the one at the top (they're all marked anyway). This fuse is also for the reverse light, so I just put it in reverse and found that it was okay and therefore fuse okay. C7 GAR Link to comment Share on other sites More sharing options...
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