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Wiring & Calibrating Depo Wideband


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Looking for some help setting up my wideband please mainly which wires to connect to what.

Red - 12V Ignition

White - Wide Band Analog Output 0-5V? (Is this for data logging and how does that work?)

Black - Earth

Orange - Dimmer? (Where does this one go)

Also somewhere in the instructions it says that once it's all installed I need to press the button on the back of the gauge for 3 seconds to calibrate it. Is this needed and do I do it when the car is running or off or what? Thanks in advance.

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Connect the Red 12v and earth to the cig lighter. The orange will go to the lights stalk under the dash. The white im not sure of.

It will need calibrating, I would hold the button with ignition on, then at idle if you don't see somewhere near 14.7 then calibrate it again with the engine running.

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Also if anyone could help me wire up my other 3 gauges I would be grateful. I have an oil temp a water temp and a volt gauge (also have oil pressure but got that 1 sussed out), they all have a red and black wire which obviously go to 12V and an earth but they also have a green and a white which I need to know where to connect for each individual gauge.

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  • 2 weeks later...

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