question about possible wiring

[mcf57 10+ year member]

I had a Kenwood KOS-A300 aux factory radio upgrade equipment in our 2007 Honda Odyssey. We recently sold the vehicle, but I uninstalled this KOS-A300 before handing the van off. I am planning to now install it in another vehicle that has a JVC aftermarket radio (that I installed a few yrs ago).

The KOS-A300 has three bare wires to hook up; a red, yellow and black. In the Odyssey, I had the red and yellow connected directly to the fuse box (since the factory radio was still installed) & the black wire connected to a bolt on the seat. In this other vehicle, can i simply tap into the current JVC wiring since it has yellow, red and black wires behind the head unit? Or is this not recommended?

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