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YaIs this what your talking about?
After doing some research that is my plan. I accidentally bought a adapter for putting an analog sender down by the oil filter, so I’ll do that. Just need to order another sender. I’m also looking to put a temp sender in the block for the original gauge. My dash is about the only thing that is stock and I’d like to keep it that way.Oil pressure on a ls motor in gm vehicles is relayed to a body control module and then to the gm gauge AFAIK. You should be able to adapt a Toyota oil sender easily into the LS motor which will run your factory gauge.
This saga seems to be continuing… went to fire it up yesterday and same problem- no fuel pump. Gave the PCM wires a wiggle and pump came to life. Now I get to pull the ecm again and go through the pin outs. Maybe this’ll fix the fan relay problem too…Fun with wiring…
Fuel pump stopped pumping. After going through all the connections multiple times, I finally found the relay connection for the switching ground had come apart- that cost me more time than I’d like to admit. In the process I made a couple discoveries:
1) In removing the plug for fuel pump I had removed the inner plug in the tank. I would have thought this would be hard wired honestly.
2) The plastics hold down ring I had made for the pump had shattered. I taped it up so I could use it as a stencil on some sheet metal. Another step back, but at least I found it now.
3) I need to revisit how the passenger seat is bolted down. It’s a royal PITA to remove. It also sits a bit higher than I’d like, so maybe I can revise the mounts.
4) When I had dropped the cage onto the body I was concerned about scratching the paint and didn’t think about the fuel lines or the wiring to the pump. Well they didn’t look happy being pinched by the seat cradle. Since I was solo in this endeavor, I used the high lift to raise the cage enough to extract the lines and wires. I guess this the type thing you figure out as you go on this type of project or is it just me…
I took it for a spin around the neighborhood as a victory lap, spun the tires a little and smiled. Decided for another easy win, so I mounted the bib. It was a good day. View attachment 2747075
I didn’t specify and I’m not sure it’s actually turning on after reaching a certain temp. I did some further testing and I think it’s showing voltage any time the key is in the ON position. It’s still not enough to trigger the relay and that’s the part that’s sending me in circles.Did you have your ecu flashed so that the fan operation is enabled? On some ecm's its not enabled unless you have a tuner reflash the ecu for it.
It might do a low voltage circuit check during key on but not enough to trigger the relay. You will need to specify you using electric fans for sure with the tuner person.I didn’t specify and I’m not sure it’s actually turning on after reaching a certain temp. I did some further testing and I think it’s showing voltage any time the key is in the ON position. It’s still not enough to trigger the relay and that’s the part that’s sending me in circles.
Talked the shop that flashed the ecu, they said that they currently set the ecu up for fans, but didn’t when I had mine done. That means I need to pull the ecu and take it back in. It’ll be bit before I head back in town, so in the mean time the low speed is wired to the on position through the Volvo relay. I’ll run a switch in center console for the high speed fan.It might do a low voltage circuit check during key on but not enough to trigger the relay. You will need to specify you using electric fans for sure with the tuner person.