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Finding Switched Power in a 2004 Chevy Silverado (Easy & Safe Methods)

There is often an unused relay socket (upper left) that provides 12V key-on power.

If you are comfortable splicing, you can find ignition power directly at the steering column. 2004-silverado-switched-power-source

If you need a "hard" switch that cuts power instantly when the key turns, check under the dash.

Unlike older trucks, the 2003-2006 Silverado/Sierra trucks (GMT800 platform) are heavily controlled by the CAN-bus system, meaning many fuses in the dashboard remain live (constant power) even after you turn off the truck. This can lead to parasitic battery drain and a dead battery! Finding Switched Power in a 2004 Chevy Silverado

What are you trying to power (e.g., dashcam, CB radio)? Are you comfortable using a multimeter to verify the power? looking for accessory switched power

Here are the best, verified locations to find ignition-switched power on your '04 Silverado. 1. The Best Spot: Passenger Side Fuse Panel (F26) Are you comfortable using a multimeter to verify the power

Look for a thick white wire in the ignition wiring harness.