Hmm. I did not know that. Thats the way I've always been taught at work. Been doing it for a while and never had a problem. isn't the gauge basically reading resistance of the oil pressure sender? When you ground it, it reads maximum resistance. I don't see how that hurts it.


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride