JML55

I'm about ready to start building my 2002 5.3 truck harness into a stand alone harness. I have done a lot of reading in the stickys but i still have a couple questions ref the check engine light. Can i use a regular bulb type light or does it have to be a led? C2-46 is the PCM pin number but where do i connect the other side of the check engine light. Thanks

https://ls1tech.com/forums/conversio...eg-canada.html

ryanvv355

iTrader: (17)

Regular bulb or an appropriately rated LED will be fine, power to the other side. The ECM controls ground for the bulb

JML55

Thanks

alocker

iTrader: (10)

It should be wired through a 194 type bulb or equivalent LED. I have had issues with MIL codes being thrown using a different style bulb.

JML55

Got the wiring harness almost done. One thing i'm not sure about is that i dont know if i should remove wire C1-70 blue connector, oil level switch. If i remove it will the pcm be looking for that signal.

ls1nova71

iTrader: (4)

You don't need it, but why remove it when it's already there? The wire shouldn't need to be modified, it runs fron the oil level sensor to the PCM.