matfield Posted May 2, 2016 Share Posted May 2, 2016 Hi Guys, A very simple question; does the Defender brake light switch ('93 110 CSW) switch to earth, or is it the live feed for the lights, or does it go to some kind of relay? Does anyone have a wiring diagram? Thanks Mat Quote Link to comment Share on other sites More sharing options...
vulcan bomber Posted May 2, 2016 Share Posted May 2, 2016 It switches the live feed to the lights. The lights earth at the rear of the vehicle with the other lights. No relay required. Quote Link to comment Share on other sites More sharing options...
Scotts90 Posted May 2, 2016 Share Posted May 2, 2016 No, just a simple inline switch. Power from fuse box feeds to the switch, press the pedal and the circuit supplies power to the stop lamps. No relay in the circuit. Quote Link to comment Share on other sites More sharing options...
matfield Posted May 2, 2016 Author Share Posted May 2, 2016 Perfect... I'll have to use a relay then, triggered by the switch. Thanks again! Mat Quote Link to comment Share on other sites More sharing options...
vulcan bomber Posted May 2, 2016 Share Posted May 2, 2016 What problem are you having? Quote Link to comment Share on other sites More sharing options...
matfield Posted May 2, 2016 Author Share Posted May 2, 2016 I'm wiring up a starter circuit for an engine with an auto box, and want to make it only start once the brake pedal is pressed. I'll just have a relay before the start switch, switched by the brake feed, then the start switch can fire the starter relay, to the solenoid. That makes sense in my head anywY Quote Link to comment Share on other sites More sharing options...
PRSmith Posted July 10, 2016 Share Posted July 10, 2016 Can't trace the loss of brake lights. Any help would be appreciated. 1987 Defender 90 . No brake lights. At the switch, I have 12 volts. If I take the switch out of the cicuit and put a jumper in, I still have no lights. I am stumped other than to think that the wire heading down the chassis is broken or grounded. I have checked all the fuses. Any suggestions? Quote Link to comment Share on other sites More sharing options...
western Posted July 10, 2016 Share Posted July 10, 2016 check the earth connection at the rear lights & the brake/tail light bulb holders are clean/ corrosion free, wires come out of right rear chassis inner face up into right rear corner behind the rubber flap in back of wheel arch, there might be a broken wire. Quote Link to comment Share on other sites More sharing options...
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