Relay clicks 3 times when releasing brake pedal while driving.

When I release the brake pedal while driving I hear a relay clicking 3 times. This happens intermittently. Some days it happens every time I release the brake pedal, some days it doesn't happen at all. This never happened for years after the original install, but started happening a few months ago.

Installed on 2013 Mustang GT, manual transmission, with option 33.2 enabled.

EVO One with THAR-FOR1 t-harness.

asked Oct 4, 2025 in Ford by Adam G (160 points)

1 Answer

Hello,

Please try connecting the large pink wire from the main 6 pin connector to the yellow wire coming off the 20 pin connector of the evo and then re test to see if still does it.

Best regards.

answered Oct 6, 2025 by derek g (382,030 points)

Hi Derek,

Do I need to use a diode? Or just a straight jumper from the pink wire to the yellow wire?

Thanks,

commented Oct 11, 2025 by Adam G (160 points)

Should be fine to just connect the 2 together.

commented Oct 14, 2025 by derek g (382,030 points)

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Relay clicks 3 times when releasing brake pedal while driving.

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Relay clicks 3 times when releasing brake pedal while driving.

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1 Answer

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