Justin Posted May 16, 2002 Share Posted May 16, 2002 Cheers for that Martin but ............... look at all me wires & sensors I've got to connect up. Are you saying that I should somehow attach a vacuum hose to the bottom of the pressure sensor (4.) then add a t-piece into the tubing from that? Where do I stick me temp sensor (5.)? Quote Link to comment Share on other sites More sharing options...
Justin Posted May 16, 2002 Author Share Posted May 16, 2002 OK you electricians. Where do I connect the red wire (2.) to? I guess the black (3.) is the earth just to the chassis no? Anyone help me. I can just about manage to mount the dial in the dash on my own Quote Link to comment Share on other sites More sharing options...
Guest Martin F Posted May 16, 2002 Share Posted May 16, 2002 Yes, that's exactly it. Attach a piece of vacuum hose and then a t-piece to the end of that. You then need to find a suitable OE vacuum hose to splice into. I would show you a pic of where i have mine but my ISP webspace seems to be up the swany. Send me a PM with your email and i will send you over the pic. Too big for BBS and i don't have any photo software on here at the mo. Quote Link to comment Share on other sites More sharing options...
Digsy Posted May 16, 2002 Share Posted May 16, 2002 Bearing in mind I know nothing about boost gauges except that they measure boost: Since it has a fuse inline it looks like (2) is a power feed. I'm guessing that this needs to be connected to a 12V feed - should be plently behind the dash that you can tap into. If that is a fuse, what rating is it? If you need either a constant 12V or an ignition switched feed, you could use one of the radio feeds (either a blue wire with a yellow stripe or a solid gray wire, I think). One is permanent, the other is switched. The black wire is almost certainly an earth. Earth wires behind the Supra dash are white with a black stripe or solid brown and there should be plenty of them about (the radio earth is brown). *Disclaimer: Wire colours from MKIV.com (USA spec) so check everything with a multimeter or test light first. Quote Link to comment Share on other sites More sharing options...
Terminator Posted May 16, 2002 Share Posted May 16, 2002 Justin, I can drive over and show you my setup modelled on Martins. Quote Link to comment Share on other sites More sharing options...
Justin Posted May 16, 2002 Author Share Posted May 16, 2002 Cheers guys. The fog is starting to lift in my little head now. Nice one Quote Link to comment Share on other sites More sharing options...
matt Posted May 16, 2002 Share Posted May 16, 2002 Is the temp sender measuring charge temps ? ? If so, does this unit adjust the boost reading according to temp or does it give the option of showing the charge temp on the gauge? Either way it seems to be a cool bit of kit! Quote Link to comment Share on other sites More sharing options...
Rich J Posted May 17, 2002 Share Posted May 17, 2002 Shows both boost and temp on the gauge, I tapped mine into the manifold. I bought a boost fitting and hose when I got the gauge from Demontweeks Quote Link to comment Share on other sites More sharing options...
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