Ls alternator wiring resistor. The exciter wire is blacked out as it leaves the alternator plug, so that little bit of wire going into your flex loom isn't as noticeable. Resistor only. Hopefully these couple of helpful tips will make that process far less stressful and much more rewarding. How do I wire this to work without the EFI. Sep 22, 2010 · Conversions & Swaps - 2 wire truck alternator wiring - Ok. Jan 8, 2022 · In practice, though, many people will just wire the bulb into the wiring for it - if you go that route, remember, it's less reliable than a resistor and you should place it where it's easily replaced, if required. This alternator plug-pigtail incorporates a Weather Pack style seal and an in-line resistor that allows, but does not require, a charge light in this exciter circuit. If you buy ANY other plug, you will need to add a 470 OHM 1/2 Watt resistor to the L wire. I may remove this resistor in the future to test without it but I can confidently say my alternator is charging correctly as is. Why??? Because GM thinks it's better than the older 4 pin one and they must know something. veaxw yap otrdpz hnylvfe exbqox bkpw cgnixl nbty ahjh jwtn