Originally Posted by Bigshankhank
Yeah, if its growing brighter when the alternator is putting out more juice (higher engine revs), you've got a faulty ground somewhere.


Interesting! That makes sense!

Originally Posted by GrantCee
I wonder if he put teflon thread tape on the sensor when installing. That would do it.


Actually, no, I didn't use teflon tape. I asked the guys at the auto parts store and they said that since it's tapered, it wouldn't be necessary. And since there was no oil leaking after, I figured it was on there snug enough. Are you saying that it could be due to metal-to-metal contact then?

1990 Montero LS (retrofit project!)