Connecting 12V DC fan to 12V DC light circuit


Old 06-23-13, 04:47 PM
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Connecting 12V DC fan to 12V DC light circuit

I'm new to wiring, and I need to connect a fan that only has 2 wires; neg and positive to work off of this light circuit.

How and where do I connect them? Thanks

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Old 06-23-13, 04:59 PM
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Welcome to the forums! Regardless where you put it, count on dimmer lights. What is the output of your transformer, and what is the amperage/wattage of the fan and lights. What else does this unit's switch control? You have two positive wires and two ground wires, so something up in the cabinet is also running on this transformer.
Old 06-23-13, 05:00 PM
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Welcome to the forums.

Yellow is the negative supply or ground or black.
Red is the positive supply.

Looks like a motor home light. Pretty hard to tell how many amps you can tap off of it. As far as the actual will depend on how much room you have. You can use basic scothloks or crimp terminals.

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