I have just got a boost gauge and thought it would be a good day to fit it.Well it all went well until i went to connect up the three wires RED LIVE 12v BLACK GROUND AND A YELLOW which shows going to the lighting circuit.
When droped the dash off i was confronted with a mass of wires.
Where is the best place to wire in the boost gauge as it all looked a bit scary.Any advice would be great.The car is a 2004 wrx.

 

What make of boost aguge is it? I've fitted one to my bugeye it only had two wires for the light nothing else. So I am a bit intrigued aswell as trying to help.

 

Hi it is a savage boost gauge and i thought the same as you,i was only expecting 2 wires live and neutral

 

Not heard of them till now will see if I can find their website, if they have one.

 

No idea m8.
I take it that it is a mechanical boost gauge and not a electronic boost gauge?

 

http://www.motor-world.co.uk/show_pr...7&prod_id=9130
I would think the red and black make it work and the yellow wire is a live feed to make it light up at night. Try wiring it from the wires going to your foglight switch is easiest way as has all these leads. Alternately wires to cigarette lighter or radio is good using scotchlock connectors.

 

the yellow goes to the ignithon red to battery + by the sounds of it you have a colour changing light if you want you can put both yellow and red together it just means it wont hold its last setting when you restart the car

 

Thanks for the replys its all starting to become a bit clearer I THINK

 

be very careful splicing into yellow wires,,

Yellow was and still is afaik the colour used for the airbag curcuit..


Not a good idea to screw with that system

Mart