When fitting a reversing camera wireless or wired the power feed from the reversing light is sometimes not stable and will result in one of the following problems 1, No image 2, Flickering image 3, Image stays for a few seconds then goes when engine starts This device stabilises the 12v-15v feed from the rear light to a standard 12v therefore stopping the can bus shutting the power down and the problems above. It also doesn't cause any problems with the can bus system detecting voltage fluctuation and throwing a dashboard error
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