Aidan-Fleming
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Registered: 17th May 08
Location: Westhill, Aberdeenshire
User status: Offline
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Searched google but can't Help my question.
Wiring in my gauges for my let corsa b.
Ran all my wires and taped them up with Tesa Etc. Came to the last 4 wires I have for the 12v live. Where can I have a 12v I can tap into?
I thought the cigarette lighter? But there's two black and one brown onto the lighter and one single black wire with a little black connection?
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Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Online
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Presumably you'll want ignition switched live?
There's supply, earth and illumination there. Same with the radio loom.
Should be able to find something suitable with a meter.
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Aidan-Fleming
Member
Registered: 17th May 08
Location: Westhill, Aberdeenshire
User status: Offline
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Yeah.
Like one of the gauges, has a red wire and a black wire
And says for instance black goes to battery negative, red goes to +, then there's three threaded bits with nuts, one is marked –, one is marked +, and one is marked S for sender. The + goes to the 12v supply and the - goes to ground.
So where can I tap into for the 12v? That mean that when I turn key they will light up and come on?
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Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Online
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If that's why the gauges want 12v then yeah, connect that to whatever comes on at the same time.
Only thing to look out for is that the current draw is appropriate for the circuit that you're tapping in to but illumination shouldn't be a massive worry.
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Aidan-Fleming
Member
Registered: 17th May 08
Location: Westhill, Aberdeenshire
User status: Offline
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Like stereo for instance?
That comes on when I turn key?
You wouldn't happen to know what wire is the live? Red? Yellow?
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Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Online
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Can't remember which way around it is but yeah, one of those would do.
Or if its for lights, find that one.
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Aidan-Fleming
Member
Registered: 17th May 08
Location: Westhill, Aberdeenshire
User status: Offline
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So confusing hahah. Cheers
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Brett
Premium Member
Registered: 16th Dec 02
Location: Manchester
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Depends on the gauge type also tbh. If it's one of those smoked ones you want them to light whenever ignition is on, where as if it's just rear illumination for night time then you want that on when lights are.
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Aidan-Fleming
Member
Registered: 17th May 08
Location: Westhill, Aberdeenshire
User status: Offline
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It's not a smoked one. Just back light. But I'd rather they were on all the time. So do you know what wire to wire the 12v to?
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