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Light on a boost gauge 


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 Post subject: Light on a boost gauge
Posted: Wed Nov 07, 2007 10:44 pm 
Tyre Shredder

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Joined: 26th Apr 2006

Location: rockingham
WA, Australia

Hey guys.
My mates just installed a boost gauge on his car, but the instructions to get the gauge to light up on command from the head light switch are very vague.
The gauge has 3 wires, Positive, negative and earth (from memory)
Which wire goes to what so that the light on the gauge come on when either parkers or head lights are selected.

Cheers guys.
Posted: Wed Nov 07, 2007 11:02 pm 
Fordmods Junkie
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negative and earth are the same

should be 1 negative
and possible 2 positives

1 may be ign on power
the other should hook up to the interior light circut




Posted: Thu Nov 08, 2007 12:49 am 
Getting Side Ways
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Disco Frank wrote:
the other should hook up to the interior light circut

I wouldn't hook it to the interior light circuit - you don't really need it to light up when you open the doors.
Hook it to the headlights or dash lights or cigarete lighter light - basically any light that comes on when the headlights are turned on.



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