V 1 N N Y Posted August 13, 2019 Share Posted August 13, 2019 (edited) Hi, I've recently become a supra owner. An import aerotop with 5 speed manual conversion and the 2JZ-GE with a turbo conversion. One of the owners has changed the dials to the TRD dials but the needle still reads kmph so my speedo is no use at all Currently fitting the converter and delimiter that came with the car however I want to make sure I'm cutting into the correct wires before I cut them. Diagram says to locate the speed sensor at the back of the engine on the drivers side but I can't find it, I'd imagine it's because of the conversion maybe? Can I cut the wires from behind the speedo? Assuming they're the right ones.. Photos to follow. Edited August 14, 2019 by V 1 N N Y (see edit history) Quote Link to comment Share on other sites More sharing options...
V 1 N N Y Posted August 13, 2019 Author Share Posted August 13, 2019 The blue/red, red and yellow. - - - Updated - - - Quote Link to comment Share on other sites More sharing options...
V 1 N N Y Posted August 14, 2019 Author Share Posted August 14, 2019 Looking at a wiring diagram they look like they are the correct wires, but want to be sure I can do it as far up at the speedo instead at the sensor. Quote Link to comment Share on other sites More sharing options...
Pete Posted August 14, 2019 Share Posted August 14, 2019 Speedo to read MPG? I had one and the TRD speedo is awful in MPH - you can barely tell what's 30 and 40. Quote Link to comment Share on other sites More sharing options...
V 1 N N Y Posted August 14, 2019 Author Share Posted August 14, 2019 (edited) Mph* lol clearly my phone is too used to the derv life... I don't mind the TRD speedo, im not used to anything else so I guess I can't miss something I haven't had. Edited August 14, 2019 by V 1 N N Y (see edit history) Quote Link to comment Share on other sites More sharing options...
V 1 N N Y Posted August 15, 2019 Author Share Posted August 15, 2019 So I've cut the blue/red, yellow and red and added the converter but I'm about 10mph slower on the dash than I am on GPS, but it doesn't seem to start registering speed untill about 10mph, do I need to move the needle? Quote Link to comment Share on other sites More sharing options...
tayr Posted August 15, 2019 Share Posted August 15, 2019 So I've cut the blue/red, yellow and red and added the converter but I'm about 10mph slower on the dash than I am on GPS, but it doesn't seem to start registering speed untill about 10mph, do I need to move the needle? personally i'd get yourself a stock speedo instead Quote Link to comment Share on other sites More sharing options...
V 1 N N Y Posted August 15, 2019 Author Share Posted August 15, 2019 I don't mind getting a stock speedo, but is it going to solve my issue do you think? Quote Link to comment Share on other sites More sharing options...
V 1 N N Y Posted August 15, 2019 Author Share Posted August 15, 2019 Everyone recommends the Thor converter but apparently they don't sell them anymore? I'm using the SVA E0021 converter that came with the car, just not fitted. Could the converter be faulty? Quote Link to comment Share on other sites More sharing options...
Scooter Posted August 15, 2019 Share Posted August 15, 2019 So I've cut the blue/red, yellow and red and added the converter but I'm about 10mph slower on the dash than I am on GPS, but it doesn't seem to start registering speed untill about 10mph, do I need to move the needle? I think moving the needle might have to be done..... http://www.mkivsupra.net/vbb/group.php?discussionid=168&do=discuss Quote Link to comment Share on other sites More sharing options...
V 1 N N Y Posted August 15, 2019 Author Share Posted August 15, 2019 Thanks, I'll give that a go! Quote Link to comment Share on other sites More sharing options...
V 1 N N Y Posted September 1, 2019 Author Share Posted September 1, 2019 Moving the needle seemed to have solved the problem. Thanks Quote Link to comment Share on other sites More sharing options...
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