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Aftermarket defi tacho install advise

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Old 28 December 2015, 12:50 PM
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crazyspeedfreakz
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Default Aftermarket defi tacho install advise

Ok so I'm finally getting round to fitting this, it's the defi bf advanced range and I need abit of advise...

Basically there are only 2 wires that come off the controller unit for the tacho gauge....

1 ... Speed signal
2... Tachometer signal

I'm just wondering where I take these from as I can find nothing online I mean do I take from directly behind the main cluster or else where...

Helps pls peeps



Old 28 December 2015, 12:52 PM
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they will both be in the wiring loom.
i fitted a sat nav when i had an impreza and had to take a wire from speed sensor.
it was pink if i recall.
Old 28 December 2015, 05:11 PM
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Should be able to find both behind the instrument cluster. Either someone on here will know, or trace back from the relevant instruments.

Out of interest, what's wrong with the stock tacho?
Old 28 December 2015, 05:20 PM
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Originally Posted by alcazar
Should be able to find both behind the instrument cluster. Either someone on here will know, or trace back from the relevant instruments.

Out of interest, what's wrong with the stock tacho?

Ok so should be able to pick up from behind instrument cluster thanks, now I just need to no which colour wires to tap into as at the moment I really have got no clue

Nothing wrong with the current tachometer just wanted somthing alittle higher and with peak wearing functions as for some reason they left it of my Motorsport version blob spec c
Old 28 December 2015, 05:22 PM
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Originally Posted by Emmaroids
they will both be in the wiring loom.
i fitted a sat nav when i had an impreza and had to take a wire from speed sensor.
it was pink if i recall.

Thanks Em, just need to figure out which wires I need to use, I'm hoping someone can clear this up for me tonight..
Old 29 December 2015, 10:06 AM
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Bumppp... Is anyone able to tell me the colour of the two wires I need behind he dash ??
Old 29 December 2015, 12:03 PM
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If you remove the instruments and use the printed circuit board to help, you'll be able to trace which pins the speed wire and the tach wire go to, then find the colours at the plugs.

TBH, it's almost always a waste of time asking for wire colours on here as what you FIND isn't always what they SAY you will find. Wiring looms are a law unto themselves, they often used whatever colour they had and it can change from year to year despite being same model.

Tracing back is the only sure-fire method. Removing the clocks is ten minutes.
Old 04 January 2016, 04:32 PM
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Ok got this sorted just thought I'd update incase anyone needs for future reference
I managed to get a Jdm newage wiring diagram and figure it out with abit of help.. Anyways it turned out to be the plug in the back of the dash cluster closest to the driver side door...

speed signal = green with yellow line
Tacho signal = orange with white line






Finished artical




Not ideally where I wanted it located but the wire provided wasn't long enough so
Had to locate closer to the main defi pod :/
Old 04 January 2016, 04:43 PM
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You can buy extender wires up to 2m from Defi dealers, or on ebay. I had to get a longer one to daisy-chain from my three dash top gauges to the two on the A-pillar.
Old 04 January 2016, 07:05 PM
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Excellent write up any pics during day aswell
Old 05 January 2016, 12:10 PM
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Old 05 January 2016, 12:13 PM
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Originally Posted by ZANY
Excellent write up any pics during day aswell
Pics above ... Just for you Zany
Old 05 January 2016, 12:14 PM
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Looks nice but would defo extend and place on the right hand side close to A pillar
Old 05 January 2016, 12:20 PM
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Cheers banny I got tired of waiting and just fitted it, I thought it was going to be hassle trying to find a extended lead but as alcazar pointed out u can get them on eBay :/

What your suggesting is where I originally wanted it locating but as said couldnt get the lead soon enough so just fitted it where it's at now, going to get all the dash flocked so will move it when I do that next

Last edited by crazyspeedfreakz; 05 January 2016 at 12:21 PM.
Old 05 January 2016, 02:35 PM
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Originally Posted by crazyspeedfreakz
Pics above ... Just for you Zany
NICE ONE BRO
Just as I imagined very nice indeed and tidy and will only get better once you've got the extension lead superb result and if any1 wants to wire a taco you've certainly made there lives easier
Old 05 January 2016, 02:39 PM
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Would the defi controller that you have on the side not fit were the cup holder is with a few mods then the controller leith the buttons in front of the ashtray if you don't use it?? Maybe a summer plan??
Old 14 October 2016, 03:24 PM
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do anybody know what wire the signal one is for a subaru impreza 2000 turbo thanks
Old 15 October 2016, 07:10 AM
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Originally Posted by alcazar
If you remove the instruments and use the printed circuit board to help, you'll be able to trace which pins the speed wire and the tach wire go to, then find the colours at the plugs.

TBH, it's almost always a waste of time asking for wire colours on here as what you FIND isn't always what they SAY you will find. Wiring looms are a law unto themselves, they often used whatever colour they had and it can change from year to year despite being same model.

Tracing back is the only sure-fire method. Removing the clocks is ten minutes.

This^^^
You'll be taking the instruments out anyway.
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