Wiring Diode Dynamics SS3 to OEM switch

JohnSadler

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Mar 20, 2026
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Tacoma
2026 TRD Off Road
Quick question for those who have wired their Diode Dynamics SS3 ditch lights to the OEM switches. What did you have to do with the harness that Diode Dynamics sent so you could ground the lights to the ground wire in the switch? Am I correct in thinking that I shouldn’t have to make battery connections since the power is already provided through the switch? Also, I don’t need the relay Diode Dynamics provides do I? Thanks in advance.
 

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