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Hardwire Smoke Detection Installation - Dome Light

Use your dome light to power your Smoke Detection Device

Updated this week

Open the dome light with a prying tool

Locate the power plug and ensure constant 12V power

Attach 1 x t-tap to the ground wire and 1 x t-tap to the power wire using pliers

Connect the device to the t-taps

Optional: Use insulation tape or zip ties to secure the remaining device cable in the dome light compartment

Reattach the dome light

IMPORTANT: The correct connector must match the t-taps placed on the vehicle wire harness: wire labeled (GND) goes to the vehicle ground wire (brown in this example), and wire labeled (+12V) goes to vehicle power (red in this example).

IMPORTANT: Please make sure that the device cable is not folded or squeezed by the dome light compartment.

Required tools (may be different depending on your vehicle):

  • Pliers

  • Prying tool

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