How much does Hummingbird power cables run????

I recently bought a new fish finder and moved my other bird to the front of the boat. I had power to it but once I finished running the transducer it wouldn't turn on? I've been fighting it the past couple days trying to figure out why it woudn't come on until I discovered it was in the power cable right at the head where it's been bent. I was wondering if any of you guys knew about how much it would cost for me to replace just the power cable if I needed to? I know it's a Tech question but thought someone could give me a quick ballpark figure. For now it's working but that may change once the boat starts jarring it around.

Power cable are around 30dollars. Call hb they may send you one they sent me a new one!!!!

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Thanks MG, I hope I don't have to replace it. So far I've pushed all wires back under the deck and slid the unit onto the mounting bracket and it still works. I hope my transducer reads off the back of the boat. My last one was epoxied into the floor of the boat, this one I drilled the dreaded holes in the back of the hule, outside, and mounted it just above the step in the hull. If it will read while running at 45 to 50mph I'll be happy.