Factory Oil Pressure Gauge with ls swap

[DarrinWI]

I've fired up my 5.3 in my '87 El Camino. The dash oil pressure gauge pegs all the way over past 60 psi. I'm using the 5.3 oil pressure sender which I thought that I read would work. Any suggestions on where to begin trouble shooting?

 

[Drkuhar]

I was always told in swaps to use the sender for the vehicle .

 

[Built6spdMCSS]

Single pin truck sensors work, I have a bunch. Sounds like the one you have is bad.

 

[RabbitHoleSS]

You need an adapter(or you can break off the plastic 5.3 sensor and drill/tap for 1/8" npt) and use a sbc sender. The ls sending unit talks to the pcm or bcm depending on the year. They make sbc sending units with or with out the dummy light. 1 prong=no light 2 prings=dummy light.
Here's the adapter.

https://www.amazon.com/dp/B0894LDF76/?tag=gbody-20

What Built6spdMCSS is referring you to is the coolant temp sensor needed to run factory coolant temp gauges.

 

[Built6spdMCSS]

Yea I fixed it, brain out ran my reading.

 

[DarrinWI]

Single pin truck sensors work, I have a bunch. Sounds like the one you have is bad.

Thanks, it's a new sensor, but I'll give another a try.

You need an adapter(or you can break off the plastic 5.3 sensor and drill/tap for 1/8" npt) and use a sbc sender. The ls sending unit talks to the pcm or bcm depending on the year. They make sbc sending units with or with out the dummy light. 1 prong=no light 2 prings=dummy light.
Here's the adapter.

https://www.amazon.com/dp/B0894LDF76/?tag=gbody-20

What Built6spdMCSS is referring you to is the coolant temp sensor needed to run factory coolant temp gauges.

TY, this one doesn't go through the pcm so I wired it directly to my gauge feed.

 

[RabbitHoleSS]

What sender do you have?

 

[DarrinWI]

What sender do you have?

Single pin for a ‘00 5.3

 

[Built6spdMCSS]

Check the wiring, just one wire from that sensor to the gauge

 

[RabbitHoleSS]

Just for reference my truck would have 60-80psi all the time. So maybe your just pegged out, atleast it's not on the 0 side of the gauge.