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My 1992 R32 GTS-T had an AVO turboworld boost gauge installed in the drivers side vent (to the lower right of the steering wheel) when I bought it.

It has always been a bit useless as it doesn't light up during night driving.

Recently I realised it is much more accurate than the in dash boost gauge and decided I needed to get the backlight wired up (assuming it works) in anticipation of hooking up a turbotech boost controller.

After pulling off the lower drivers side dash panel and pulling the gauge out of the vent a bit I found a red wire and a black wire coming from each side of the gauge housing, the two red wires have been spliced together with another wire attached running to the headlight switch, the two black wires are also spliced together.

After taking off the dash surround with all the switches I could not find any point where the gauge may have been hooked up in the past and the wire connected to the two reds went no where.

Wondering what the easiest way to wire up the backlight to get it to turn on with the headlights, preferentially parkers but otherwise low beam/high beam.

Also has anyone heard of the brand AVO Turboworld before? Is it supposed to be decent?

The boost gauge is mechanical and is joined with a t piece to the stock gauge line.

Edited by Luke HCR32
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Will that require me pulling out the head unit or the centre console surround? I have an aftermarket pioneer head unit.

I did notice one of the wires to my fog light switch had a bit of a nick in it (red and green one at top left of plug) could this have been the original source?

You dont need to put a additional fuse in. If youre going to short something and draw so much current, the original fuse for the headlight switch will blow. Sooooo.... theres already a fuse in the circuit. Just splice use the headunit wires.

You can even use the cigarette lighter wires! Shit you could even use youre odometer dash lights as youre source.

Black red. Easy peasy.

Edited by eat_me

make sure whatever you wire it to, it only lights up when the car is on or ACC is on.

some plp make the the mistake and wire it up so its on constantly (common issue with CD players) and they wonder why their batteries keep dying lol

Cheers guys, ended up hooking it up to that frayed fog light switch wire and fixing the wire at the same time, comes on when I turn the headlights to parker or on. Grounded it to the stud above the bonnet release.

post-82729-0-24601100-1319020506_thumb.jpg

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