7 WAY UNIVERSAL BYPASS RELAY WIRING DIAGRAMExplore further
2015-11-4u2002·u2002Fitting this Universal Bypass Relay to your car between the wiring system and trailer plug socket bypasses all of the fault finding and diagnostic systems created by Can bus. This basically leaves you with a standard 12v power supply. This allows LED lights to function properly, without flashing, at a the fraction of the cost
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