Question about Kenwood Car Audio & Video
Protect only comes on when an RCA is grounding out, speaker is blown or
the speaker wires are shorting out. Check all your wiring on the head unit and see if all are insulated with
tape or better and if there's an exposed wire, tape it up. Make sure
that all connections are secured. Then double-check your fuses. Check all of your speakers and their wiring because going into protect
mode is the units way of saying you have a problem with your speakers
If your speakers and wiring all check out, disconnect your radio wiring harness, and then reconnect the harness. This resets your radio, and your radio should be working again.
If you need to enter the security code, try the default unlock code of 5227.
You can also try to reset your code if the default doesn't work. Try 'KCAR' or '3051'.
Posted on Jul 12, 2010
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Posted on Jan 02, 2017
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