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Old 05 Jul 2010, 11:58 PM   #1 (permalink)
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boost gauge

hi i have a auto gauge turbo gauge works fine its just when its lights on think its the wiring daytime bright side lights goes dim them full beam goes red then switches off all togther and when i flash the head lights goes off and on any ides would be a great help thanks chris
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Old 06 Jul 2010, 01:17 AM   #2 (permalink)
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Re: boost gauge

def a wiring fault. Wire to your radio loom. standard iso connection on car side are red and yellow for permanent and ignition live. Check with a meter or bulb to see which is which. Black is earth. orange is night time illumination.

Some usa gauges use red and white for permanent and ignition live. Green is normally night time illumination balck is always earth - this is a rough guide and different boost guages can use any colour the manufacturers deem fit
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Old 06 Jul 2010, 07:09 AM   #3 (permalink)
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Re: boost gauge

Found this on another forum for fitting a Boost gauge

This is a guide on the correct way to fit/wire it up so you get it to light up and save the setting you last had it on, This does work as its the way i wired it up to my car and it works how it should.

1. Get some silicone 4mm inner diameter pipe about 3 metres worth.
2. T it from the manifold.
3. Drill hole in the grommet hole next to the main wiring loom under the scuttle panel but dont push the drill in too deep pierce your way through the foam with a screwdriver carefully
4. Push pipe trough hole and retrieve from the inside ( this takes alot of time and patience!!!) put a big blob of silicone around the pipe going into the car.
5. feed it up to your pillar pod and push into gauge.


Obviously extend all the wires from the gauge!!

6. join the black gauge wire (earth) to the brown wire on the light switch block
7. Join the purple and orange gauge wire(switched live) together and then join it to the wire yellow wire on switch block
8. join the yellow gauge wire (positive) to the red wire on the light switch block.

The gauge will light up when you put the ignition on. It will also dim when you use the dimmer
-- .. ... ... .. -. --. / -... ..- - / -. --- - / ..-. --- .-. --. --- - - . -.
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Old 06 Jul 2010, 11:53 AM   #4 (permalink)
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Re: boost gauge

thanks for your help
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