How do i wire my stereo?

How do I figure out which wire in my car stereo is the constant wire?

  • I just got a 1992 Subaru Legacy. The stereo worked fine, but I upgraded the deck so that I could use Aux input. The car was rewired, and the harness was bypassed. I have everything working except the constant wire. My Stereo has to restart itself everytime I turn it on.

  • Answer:

    Use a volt meter or a test light. With the key off, see which one reads 12V or lights the light with one of the test leads connected to ground (some piece of bare metal).

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Other answers

The constant wire is usually yellow, ignition red.

brock1912

which ever one goes back the farthest

briandwales

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