jndnaps Posted January 29, 2004 Report Share Posted January 29, 2004 My 96 Eldo keeps getting the mess, Service Brake light Switch. I've unplugged it and cleaned the connections and it still comes on once in a while. How do these switches/sensors get replaced? Do I need to drain out any brake fluid to do that? Anyone here ever do this? Thanks for any help in advance.. John Link to comment Share on other sites More sharing options...
98Concours Posted January 29, 2004 Report Share Posted January 29, 2004 Wouldn't your brake light switch be the switch up behind your brake pedal? If so, just unplug the electrical wire from it, remove the switch and replace it with a new one. Jeff Jeff 98 Concours 90 Seville 04 Corvette Link to comment Share on other sites More sharing options...
Ranger Posted January 30, 2004 Report Share Posted January 30, 2004 As Jeff said, the brake light switch is on the pedal. The brake fluid level switch is in the reservoir. Sounds like you are looking for the pedal switch. Link to comment Share on other sites More sharing options...
jndnaps Posted January 30, 2004 Author Report Share Posted January 30, 2004 OK, Sorry, I'm brain dead I wrote this all wrong.. I meant to say: My 96 Eldo keeps getting the mess, "Service Brake Fluid Switch". I've unplugged it and cleaned the connections and it still comes on once in a while. How do these switches/sensors get replaced? Do I need to drain out any brake fluid to do that? Anyone here ever do this? Thanks for any help in advance.. John "Service Brake Fluid Switch" Link to comment Share on other sites More sharing options...
98Concours Posted January 30, 2004 Report Share Posted January 30, 2004 I'm not sure if yours is like mine, but on mine you just remove the electrical connector from the fluid level sensor switch. Then disconnect the fluid level sensor switch. Use needle nose pliers to compress switch locking tabs at inboard side of master cylinder. You could also have a short to ground. Jeff 98 Concours 90 Seville 04 Corvette Link to comment Share on other sites More sharing options...
jndnaps Posted January 30, 2004 Author Report Share Posted January 30, 2004 Thanks for the reply 98Concours, Where would this possible short to ground be? I'll check it out tomorrow. It was a little low on brake fluid and I added the proper kind and the rubber grommet was not deformed and in properly. I did tap on the master cylinder and blew out the plug and cleaned it and it did go off for a day or so. Not sure if that fixed it or if it was just a - co ink a dink AKA Coincidence Link to comment Share on other sites More sharing options...
98Concours Posted January 30, 2004 Report Share Posted January 30, 2004 Check the pink wire which should be on the "B" pin of the switch. Make sure the insulation hasn't rubbed thru and causing the wire to touch metal and ground out. Jeff 98 Concours 90 Seville 04 Corvette Link to comment Share on other sites More sharing options...
jndnaps Posted January 30, 2004 Author Report Share Posted January 30, 2004 Thanks for your help Jeff, Really appreciate it. I'll check it out tomorrow. Link to comment Share on other sites More sharing options...
jndnaps Posted January 31, 2004 Author Report Share Posted January 31, 2004 Hey Bill, Yes it was a little low. I did fill it up and it does still come on, Just doesn't stay on nearly as much and as long. I didn't have time to check it out today but will check it by monday. Thanks again for your help with the rear brakes on the DeVille.. Link to comment Share on other sites More sharing options...
jndnaps Posted February 3, 2004 Author Report Share Posted February 3, 2004 98Concours, I was able to check it out today. Didn't find a problem with the ground wire. So, I went to the dealer and got the less than $9.00 Part and replaced it.. So far so good, the light is off.. I'll see how it goes in a few days... Thanks again for the info... Link to comment Share on other sites More sharing options...
98Concours Posted February 3, 2004 Report Share Posted February 3, 2004 Hopefully that will fix it for good. Jeff 98 Concours 90 Seville 04 Corvette Link to comment Share on other sites More sharing options...
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