Car Timer Switch Delay Off 12V 15A – Starts Device After Engine Stop (1–150s)

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Instructions for Use: Car Timer Switch Delay Off 1–150s (12V 15A KIT)

Power Supply and Wiring:

Red wire – Connect to constant +12V (via 1A fuse).
Black wire – Connect to ground (12V–).
Yellow wire – Connect to ignition or any +12V signal that is present only when the engine is ON.
White wires (2 pcs) – Relay output, Normally Open (NO) contact; no voltage output.

Operation:

When the ignition (yellow wire) receives +12V, the relay remains off.
When the ignition is turned OFF (yellow wire loses +12V), the timer starts counting the preset delay (1–150 seconds).
After the set delay, the relay deactivates, and the white output wires open the circuit.

Timing Adjustment:

Use the onboard trimmer to set the delay time (1 to 150 seconds). Turn slowly—small adjustments cause significant timing changes.

Technical Specifications:

Note:

The device will complete one cycle without activating the relay when powered for the first time.
Ensure secure and insulated connections.
Suitable for controlling fans, lights, or other 12V car appliances after engine shutdown.