Question about 1992 Saab 9000
Do you mean the dash computer is saying Brake lights have failed? or the dash instruments are not lit and thus indicating no faults in the system?
If you have proven the fuse and the bulbs, the next step is to prove the brake light switch. You will find this mounted on top of the brake pedal so is quite awkward to get to, You will probably need a torch aswell. Once you've located the switch, there will be a pair of wires attached to the switch either by a plug or and hopefully 2 seperate spade connections. Either way, you need to remove the connections from the switch and using a piece of wire or conductor, create a path between the 2 wires. this should illuminate the lamps (ensure ignition is switched on to test). If the lamps work from this test, you first need to check on the switch that when the pedal is depressed that the switch is springing out. if it does then a new switch will be required. If the switch does not spring out while the pedal is depressed, then it may just need freeing off or the switch adjusting.
Hope this works. Have patience while doing this because of the restricted space you are trying to work in. Good luck :-)
Posted on Feb 02, 2010
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Posted on Jan 02, 2017
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