Haydn23 New Member 11 Member For: 1y 6m 13d Posted 14/05/23 02:07 AM Share Posted 14/05/23 02:07 AM (edited) Trying to finish up wiring my gauges 04 ba xr6t bought car already done but wiring was all over the shop so have tidied it up I’m wondering how to properly wire in my gauges they’re autotecnica and have red ignition positive, black battery negative, green sensor and yellow accessories positive wires where do I join them under the dash? Engine bay is done just need to connect properly have searched every forum and they’re all different, thanks to anyone who can help Edited 14/05/23 02:12 AM by Haydn23 Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,997 Member For: 16y 7m 17d Gender: Male Location: Melbourne Posted 14/05/23 02:18 AM Share Posted 14/05/23 02:18 AM As soon as they come out of the gauges, you can "serial" connect them (connect them all in the same spot to one wire). This can be done for all "negative, battery positive, accessories positive". Only the sensor ones have to come in individually. 1 Link to comment Share on other sites More sharing options...
Haydn23 New Member 11 Member For: 1y 6m 13d Posted 14/05/23 02:20 AM Author Share Posted 14/05/23 02:20 AM Awesome thank you next step where do I connect the positive & accessories wire? I assume I can earth the negative under the steering column? Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,997 Member For: 16y 7m 17d Gender: Male Location: Melbourne Posted 14/05/23 02:27 AM Share Posted 14/05/23 02:27 AM You can earth the negative anywhere on the chassis as long as it has a clean connection (e.g. no paint, only metal) The positive should go to somewhere on the fuse panel (get a fuse tap if you need to) where it's constantly 12v, or something like the 12v constant outlet of the mobile phone plug (near the fuse panel anyway). Accessory can go to the 12v cig-lighter plug positive which just under the ICC. Link to comment Share on other sites More sharing options...
Haydn23 New Member 11 Member For: 1y 6m 13d Posted 18/05/23 03:23 AM Author Share Posted 18/05/23 03:23 AM (edited) Do you know where I could put a fuse tap into on the fuse panel? Edited 18/05/23 03:23 AM by Haydn23 Link to comment Share on other sites More sharing options...
El Andrew Gold Donating Members 2,035 Member For: 9y 7m 5d Gender: Male Location: Canberra ACT Posted 18/05/23 03:39 AM Share Posted 18/05/23 03:39 AM Use something like this and you literally remove a fuse and plug this in. New fuse holder has one fuse for the existing circuit and one for your new circuit. You then have a new 12v source to run to your gauges. Pick a circuit that behaves the same way you need eg is on with accessoriesI can grab a photo later of what mine looks likehttps://www.repco.com.au/globes-batteries-electrical/electrical-accessories/fuses-circuit-breakers/narva-add-a-circuit-micro-2-blade-fuse-holder-20a-54415bl/p/A5456319?rgfeed=true&cid=google-shopping&utm_source=google&utm_medium=cpc®ion_id=100064&gclid=CjwKCAjw9pGjBhB-EiwAa5jl3KkjXEsQkwO2r22lOek1sdhL6hXzW2m8ugf3o8gpAEi-Hq3aOpNY4hoC_RkQAvD_BwE 1 Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,997 Member For: 16y 7m 17d Gender: Male Location: Melbourne Posted 18/05/23 03:50 AM Share Posted 18/05/23 03:50 AM as per ^^, but just make sure to get the right fuse tap size for the fuses in your car; they're "mini" (not micro) type ones for a B-series... also much cheaper to buy off ebay than narva; $19 is steep for a fuse tap -> https://www.ebay.com.au/sch/i.html?_from=R40&_nkw=mini+fuse+tap&_sacat=0&LH_PrefLoc=1&_sop=15 Link to comment Share on other sites More sharing options...
Haydn23 New Member 11 Member For: 1y 6m 13d Posted 18/05/23 08:03 AM Author Share Posted 18/05/23 08:03 AM Thanks for the replies if I can find out what fuse to run off that’d be great Link to comment Share on other sites More sharing options...
El Andrew Gold Donating Members 2,035 Member For: 9y 7m 5d Gender: Male Location: Canberra ACT Posted 18/05/23 08:10 AM Share Posted 18/05/23 08:10 AM Yes good point $19 is ridiculous!Here is what they look like installed. Link to comment Share on other sites More sharing options...
Haydn23 New Member 11 Member For: 1y 6m 13d Posted 18/05/23 08:14 AM Author Share Posted 18/05/23 08:14 AM Thanks heaps for the info, just one more question how did you go about splicing in for an accessory positive? I have the sensor wire sorted ground & now power but have the yellow accessory left to go into the 12v cig lighter as k31th explained Link to comment Share on other sites More sharing options...
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