Quote:
Originally Posted by MDPotter
I've been researching but haven't been able to find a definite answer. I've got a Gen III LS and a 4-prong brake switch and will be installing LED tail lights. On my dad's Gen IV with a 2-prong brake switch, we installed a 470 ohm resistor but we did that so the TCC wire would see 12v. With my 4-prong switch, is that necessary? Below is the wiring diagram from PSI. I will be connecting the red to switched 12v, purple to TCC wire out of the PCM, and white and orange to the brake switch wiring from my American Autowire harness. Do I need to install a resistor inline on the white or orange wire for the tail light wiring?
Attachment 1893751
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Quote:
Originally Posted by ls1nova71
No resistor needed. Just hook it up the way you described.
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I'm still a newbie when it comes to wiring, what do they mean by switched 12v?
Is it the same as keyed or ignition? I'm wiring in this same part with LED taillights for my LS swap.
Thanks for asking the question MDPotter.