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Yellow to battery, Red to ignition, Black to ground, and match the speaker colors. Do that, and this old Kenwood will fire right up.

Don’t panic. Here is the standard color code for the Kenwood KDC-MP333. Kenwood has historically been very consistent with their color coding. For the KDC-MP333, here is what each wire does:

But here’s the reality check: If you’re installing one of these now, the previous owner probably clipped the factory plug, or you’ve lost the wiring harness. You’re left staring at 14 bare wires thinking, “Which one do I connect to the battery?”

Have a wiring question about your specific car model? Drop a comment below and I’ll try to help.

Kenwood - Kdc-mp333 Wiring Diagram

Yellow to battery, Red to ignition, Black to ground, and match the speaker colors. Do that, and this old Kenwood will fire right up.

Don’t panic. Here is the standard color code for the Kenwood KDC-MP333. Kenwood has historically been very consistent with their color coding. For the KDC-MP333, here is what each wire does:

But here’s the reality check: If you’re installing one of these now, the previous owner probably clipped the factory plug, or you’ve lost the wiring harness. You’re left staring at 14 bare wires thinking, “Which one do I connect to the battery?”

Have a wiring question about your specific car model? Drop a comment below and I’ll try to help.

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