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Im hooking up gauges as i said before and i cant find the oil pressure sensor they are telling me to use. Ill use an adapter for water temp , but the oil gauges are a mystery. Can we use the original sensors?Or do they make adapters to put the gauges sensors in the m30?

You need to be more specific about what "electronic gauges" you're using. If you aren't using the gauges that came in the car, then you would need senders that match the gauges.

Your completely right, my apologies. Im installing aftermarket 4 in 1 gauge it does rpm, oil pressure, oil temp and water temp . The water temp and rpm i understand. My problem is with oil temp and pressure, the gauge came with the sending units but im not sure where i need to put them. I assumed that water temp sensor is the thermostat housing
And oil pressure is in the back of the head ? Thanks in advance

Honestly , I would like to use the gauges that came in the car, but i have no idea which ones they were. The harness is still intact, but the plan was to add the gauges so i can get rid of as much wiring under the hood as possible. I want to have this car for a driver, so if it wont start some day , it will be ridiculously easy to fix.

demidestructo wrote:Your completely right, my apologies. Im installing aftermarket 4 in 1 gauge it does rpm, oil pressure, oil temp and water temp . The water temp and rpm i understand. My problem is with oil temp and pressure, the gauge came with the sending units but im not sure where i need to put them. I assumed that water temp sensor is the thermostat housing
And oil pressure is in the back of the head ? Thanks in advance

The original spot at the top rear of the head is your pressure location, but it depends on what type of gauge you're running. a mechanical oil gauge is a simple tube, but the electric gauge sender is usually big and might be a clearance issue. Ive seen it done where someone used a 45 degree elbow on the head and angled the sender away from the firewall..

I found a adapter for the water temp gauge so thats taken care of, looks like its just the oil temp and pressure. What size fits in the oil sending hole m10x?

I got it , 12mm x 1.5 . I ordered a adapter,which was not the easiest thing to find. I hope this is one of the last few things and I can actually drive the car