Muttland Posted August 17, 2009 Share Posted August 17, 2009 Hi to all: ¿What is the funtion of this litlle electronic device in the Defender instruments cables? (the protective pape was taken) cable IN or OUT: 1:green 1:green-black 1:white-pink 2:black Thanks Enrique Quote Link to comment Share on other sites More sharing options...
western Posted August 17, 2009 Share Posted August 17, 2009 it's not a factory fitted circuit, most likely been added to solve a problem or for something else what is connected to the right hand end of it in your picture ? the wire colours you have noted are green = ign feed to gauges green/black = from fuel tank unit to gauge white/pink = unknown black = standard earth [ground] wire colour on LR's. Quote Link to comment Share on other sites More sharing options...
Muttland Posted August 17, 2009 Author Share Posted August 17, 2009 western Thank for your replay I do not know the correct connection of this instrument cables. I obtained one defender instrurment panel to be used in parts in my SIII, using some instrument and emergency ligth signnals sended the defender gearbox and tranfer, Speedo, Lock possition, hand brake, high, or low .... The origin of this defender Instrument Panel was north africa, and possible military 12V defenders. The white-pink cable outing of the electronic device is : Ignition switch to radio fuse (I supose). ¿possible Interferens radio filter????? The protective tape and isotate construction, looks like a factory work, but i´m not shure. by Enrique Quote Link to comment Share on other sites More sharing options...
errol209 Posted August 17, 2009 Share Posted August 17, 2009 The protective tape and isotate construction, looks like a factory work, but i´m not shure. Can you get a more detailed picture of the components on the circuit board, or at least tell us the numbers on the black chip towards the right? It might give us some clues There again Quote Link to comment Share on other sites More sharing options...
western Posted August 17, 2009 Share Posted August 17, 2009 western Thank for your replay I do not know the correct connection of this instrument cables. I obtained one defender instrurment panel to be used in parts in my SIII, using some instrument and emergency ligth signnals sended the defender gearbox and tranfer, Speedo, Lock possition, hand brake, high, or low .... The origin of this defender Instrument Panel was north africa, and possible military 12V defenders. The white-pink cable outing of the electronic device is : Ignition switch to radio fuse (I supose). ¿possible Interferens radio filter????? The protective tape and isotate construction, looks like a factory work, but i´m not shure. by Enrique as it's from a ex-military vehicle, I'm not sure what it should be doing, I can give you the correct [civilian LR] wire colour codes for the standard fit gauges for a 110 if that will help. Quote Link to comment Share on other sites More sharing options...
ChrisM_110 Posted August 17, 2009 Share Posted August 17, 2009 I've got a few dash harnesses, and a genuine PRC8410 Defender vin FA450333 to vin KA929567 has the same pack of electrickery (wire colours are green | green/black | black | white/slate). Another harness, unlabelled, has exactly the same wires at the main connector but no little electrnics pack, and no white/slate connector. According to my parts book white/slate goes to the low fuel warning light, for single and twin tank models. As that's the only output from the pack I guess that's what it's for, the optional low fuel warning circuit. Quote Link to comment Share on other sites More sharing options...
western Posted August 18, 2009 Share Posted August 18, 2009 White/Slate is defintly for the low fuel level warning light, not all 90/110 have it fitted. my old pre-td5 gauges had the low fuel light wired, but no extra circuit board like the one shown, it's a mystery. Quote Link to comment Share on other sites More sharing options...
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