Frequently Asked Questions (FAQ)

Shadow has top R&D technology and one-stop R&D management process.

Trouble Shooting - Engine Cooling Fan Controller

Q1:The light is off and the temperature is not displayed when the ACC is on.

A:Bad connection with red / orange / black wire. Please check the connection and the status of each line.

Q2:Shadow digital automotive radiator fan controller shows the status of “- - -“.

A:The temperature sensor is defective or the circuit of the temperature sensor is defective. Please check the status of the temperature sensor and the circuit.

Q3:The oil temperature shows the status of “LLL”.

A:The temperature is lower than the display range.

Q4:The oil temperature shows the status of “HHH”.

A:The temperature is higher than the display range.

Q5:Shadow digital automotive radiator fan controller does not start when the water temperature reaches the setting value.

A:The wiring is wrong. Please confirm whether there is any error in the wiring method of the product.

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SHADOW will not only be a pronoun of global automotive electronics products in the future, but also a good partner for modified car owners! Let more people experience the pleasure and convenience of modified vehicles through SHADOW's products!


Racing Gauge & Automobile Meter Manufacturer - Shadow

Based in Taiwan, AUTO JAW CO., LTD., since 2004, is a racing gauge and automobile meter manufacturer in the automotive electronics industry. Main product, including Racing Gauge, Boost Gauge, Electronic Throttle Controller, Digital Electronic Boost Controller, Chip Tuning, Turbo Timer, OLED Multi Display, OBD2 Digital Display and so forth.

99.43% in product yield rate, major in automotive electronic modification and reverse engineering. All automobile meters and gauges are manufactured with a series of tests, ranging from environmental simulation test, accuracy correction, actual vehicle test, programming test and assembly test.

Shadow has been offering customers high-quality Racing Gauges & Automobile Meters since 2004, both with advanced technology and 16 years of experience, Shadow ensures each customer's demands are met.