ciderman Posted January 10, 2009 Share Posted January 10, 2009 Are the temp senders on a 300 tdi disco engine compatible with defender gauge or will it have to be changed ? Quote Link to comment Share on other sites More sharing options...
western Posted January 10, 2009 Share Posted January 10, 2009 Defender 300Tdi uses a Green top sender AMR3321 Discovery 300TDi uses a Black top sender AMR1425 suspect you'll need to swap to the Defender sender to drive the gauge correctly Quote Link to comment Share on other sites More sharing options...
ciderman Posted January 10, 2009 Author Share Posted January 10, 2009 Ralph ,I think I have a green top one in there already , Could this be right? I will check tomorrow to be sure . Cheers Quote Link to comment Share on other sites More sharing options...
western Posted January 10, 2009 Share Posted January 10, 2009 if a green top one is fitted thats the Defender version, so will work with the gauge. Quote Link to comment Share on other sites More sharing options...
ciderman Posted January 11, 2009 Author Share Posted January 11, 2009 Double checked today and yes it is a green top one so fingers crossed . Quote Link to comment Share on other sites More sharing options...
western Posted January 11, 2009 Share Posted January 11, 2009 got a green top in my 200Tdi working a Td5 temp gauge via the 300Tdi Instrument wiring, so don't have the standard gauges anymore, but it's wired the same, from sender direct to gauge. Quote Link to comment Share on other sites More sharing options...
ciderman Posted January 18, 2009 Author Share Posted January 18, 2009 I had a look under the bonnet of a mates 1998 300 TDI Defender today , His sender was Black ? Can anyone else with a genuine 300 tdi Defender confirm this , Its the plastic insulator bit between the terminal and the body .Black or green ? Quote Link to comment Share on other sites More sharing options...
western Posted January 18, 2009 Share Posted January 18, 2009 Yep, some have the black one fitted,must be a later VIN/model year than yours Quote Link to comment Share on other sites More sharing options...
ciderman Posted January 18, 2009 Author Share Posted January 18, 2009 Ok Ralph , I will run it for a while and see how it performs , Its a 300 disco engine , in a defender with 200 tdi gauge . I will let tou know in a few months when its finished Quote Link to comment Share on other sites More sharing options...
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