The reference of two different sending units for use with the oil pressure gauge is due to the fact that two different companies were supplying Toyota. Denso type and Yazaki type. Trick to figuring which one is needed is to look at the wiring harness of the donor vehicle...it'll say Yazaki at various places along the harness covering. Same applies to OEM plug wires....multiple suppliers for the factory.

~Darin <img src="/forums/images/graemlins/baby.gif" alt="" />

88' 4x4 *22R-EB Gen II*
87' $Runner *22R-EB Gen I*
85' Sillyca 22R-Esq

"I LIVE IN MY OWN WORLD...THEY KNOW ME WELL THERE"