Sometimes wiring colors for trailer lighting functions will match up between the truck and trailer but color alone is not a reliable way to identify what a wire does. The best way to confirm the function of each wire on your truck and trailer is to use a circuit tester like # PTW2992 to test each one while a helper activates the truck's various lighting functions. The video linked at right shows how to use the tester.
It sounds like you may have connected multiple lighting circuits to... view full answer...
LED bulbs have little resistance on their own, so when used with turn signals they can create a hyper flash situation, which is a fast flashing of the bulb. To determine if you will need a load-resistor kit like a LED Light Bulb Load-Resistor Kit # DI34ZR, you will install the bulbs and when the turn signals are activated, if the bulbs hyper flash you will need to install the load-resistor kit. This kit will prevent the turn signals from hyper flashing. You will need one kit for each LED... view full answer...
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