Step 1:

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Find the Norton equivalent current.

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1. Short the load resistor.

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2. Calculate the Short Circuit Current. This is the Norton Current \"\".

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Use the source transformation to convert the current source to equivalent voltage source.

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Voltage \"\".
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\"\".
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Voltage \"\".
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\"\".
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Redraw the circuit :
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\"\"
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Step 2:
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Apply KVL to the loop 1.
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\"\"
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\"\"
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\"\"
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\"\" A. \ \
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Apply KVL to the loop 2. \ \
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\"\"
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\"\" A.
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Nortons current is \"\".
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\"\"
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\"\" A. \ \
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