Install PP Gauges on Non-PP Model - Recap

[neat0]

Does your base EB have the low/normal/high oil pressure readout in the center of the dash or do you have the digital dash with just oil idiot light.

If non digital dash and oil readout then you just need the PID turned on with tune. If digital dash then you will need three wire pressure sensor, wire pigtail and need to wire that onto the canbus for the oil pressure readout to work.

The digital dash models have just a single wire open/closed oil pressure switch to turn the idiot light on and it will only come on if there is no oil pressure with engine rpm above 400 so no key on engine off bulb check at all anymore.

You can look at the oil pressure switch next to oil filter and see if it has 1 wire or 3 wires in the connector also.

BD

Thanks for that info! Feels like I'm getting somewhere. I just checked cuz to be honest I never did checked before, it has the Oil low (at idle) blue line on that little screen, maybe indicating the oil is at normal pressure maybe? The engine has around 60% oil life left in it according to the status screen. But no digital dash in this base model. Can you go into the PID turn on? Is there a special software to do this, I just renewed Forscan but don't remember seeing anything like that, I just use it to change a few values every once in a while. I started to work on this issue with BAMA and they assured me that the oil gauge setting has been turned on, but still not working, they sent the tune to their technology department, hopefully they can fix the issue if is fixable. At this time I do not know if the actual gauge is good, but I don't have any reason to question the seller's word at this time.

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[Buldawg76]

Thanks for that info! Feels like I'm getting somewhere. I just checked cuz to be honest I never did checked before, it has the Oil low (at idle) blue line on that little screen, maybe indicating the oil is at normal pressure maybe? The engine has around 60% oil life left in it according to the status screen. But no digital dash in this base model. Can you go into the PID turn on? Is there a special software to do this, I just renewed Forscan but don't remember seeing anything like that, I just use it to change a few values every once in a while. I started to work on this issue with BAMA and they assured me that the oil gauge setting has been turned on, but still not working, they sent the tune to their technology department, hopefully they can fix the issue if is fixable. At this time I do not know if the actual gauge is good, but I don't have any reason to question the seller's word at this time.

Ok no digital dash so you should have the oil pressure readout that will either show low, normal or high for pressure, nothing to do with oil life percentage so if that is what you are referencing with the blue line you mentioned it's not the same as pressure.

It would be best to inspect the oil pressure sensor at oil filter mount to verify if it has 1 wire or 3 wires at the switch. If 3 wires, then it should work with proper resetting of PID in tune.

You cannot access or change any info in the PCM with forscan so that will not work for you. I know that HP tuners VCM editor can toggle the required PID for the gauge to work but not sure about Bama.

BD

 

[neat0]

Ok no digital dash so you should have the oil pressure readout that will either show low, normal or high for pressure, nothing to do with oil life percentage so if that is what you are referencing with the blue line you mentioned it's not the same as pressure.

It would be best to inspect the oil pressure sensor at oil filter mount to verify if it has 1 wire or 3 wires at the switch. If 3 wires, then it should work with proper resetting of PID in tune.

You cannot access or change any info in the PCM with forscan so that will not work for you. I know that HP tuners VCM editor can toggle the required PID for the gauge to work but not sure about Bama.

BD

OK but yes it says oil pressure low (while at idle), I accelerated a few times but the needle did not move at all in the gauge. I mentioned the oil life % just to see if that had anything to do as of why is not working, but as soon as I have an answer from BAMA techs I will update this post, just in case they have a fix or not, the guy I'm working with said he enabled the option, not sure how exactly but he is the expert. Hopefully they can figure it out, for everybody's benefit if they have same issue.

 

[Buldawg76]

OK but yes it says oil pressure low (while at idle), I accelerated a few times but the needle did not move at all in the gauge. I mentioned the oil life % just to see if that had anything to do as of why is not working, but as soon as I have an answer from BAMA techs I will update this post, just in case they have a fix or not, the guy I'm working with said he enabled the option, not sure how exactly but he is the expert. Hopefully they can figure it out, for everybody's benefit if they have same issue.

Can you post a pic of your center dash showing the oil pressure low image readout and also a pic of the oil pressure switch/sensor at the oil filter mount so I can determine if you have the correct sensor in place to allow the gauge to work correctly.

BD

 

[neat0]

Thanks for the reply! Here are the pics, I included a diagram of the oil sending unit, seems to have only one wire going to it, I understand the base Ecoboost engines only need one wire going to it, and one to ground, is more like a off/on switch, I sent this info to the tuner at BAMA. I'm thinking that the oil pressure gauge can't read the switch type oil sending unit, the PP ecoboost has a different one, I think it has 3 wires going into it, as shown in the picture the connector is bigger and is black in color, while the regular ecoboost is green . Comments?

 

[Buldawg76]

I also replied to you in the "How to swap PP gauge into standard model" thread.

You will need the 3 wire pressure sensor in pic#3 along with the pigtail connector that plugs into it and then will need to add wires to tap into the canbus low and high signals from existing wires in the engine harness at other sensors. There is no hidden harness tucked away in your existing engine harness with the 3 pin connector, there are completely different engine harness's depending on option the car comes with from factory.

My 2020 premium has a 1 wire harness and the green single wire pressure switch in pic 3 that just illuminates an idiot light just like yours had but your dash reads it differently. Then the HPP has the 3 wire sensor and harness to allow for actual pressure readings. The PCM requites a different input instruction to work with the switch/sensors that each model version is equipped with from the factory.

You will need the sensor in pic 3 along with the pigtail and have to run wires to canbus signals. Since you have 1 wire at your existing switch now you may be able to just swap the pin location in the PCM connector for it in the PCM connector and just add 2 wires going to canbus high and low signal at other sensors. You will need to use the wiring diagram/pinout location for a HPP model to make the correct connections and then a tuner can just toggle the PCM PID to show what an HPP PCM is set to from factory.

Hope that makes sense.

BD

 

[neat0]

I also replied to you in the "How to swap PP gauge into standard model" thread.

You will need the 3 wire pressure sensor in pic#3 along with the pigtail connector that plugs into it and then will need to add wires to tap into the canbus low and high signals from existing wires in the engine harness at other sensors. There is no hidden harness tucked away in your existing engine harness with the 3 pin connector, there are completely different engine harness's depending on option the car comes with from factory.

My 2020 premium has a 1 wire harness and the green single wire pressure switch in pic 3 that just illuminates an idiot light just like yours had but your dash reads it differently. Then the HPP has the 3 wire sensor and harness to allow for actual pressure readings. The PCM requites a different input instruction to work with the switch/sensors that each model version is equipped with from the factory.

You will need the sensor in pic 3 along with the pigtail and have to run wires to canbus signals. Since you have 1 wire at your existing switch now you may be able to just swap the pin location in the PCM connector for it in the PCM connector and just add 2 wires going to canbus high and low signal at other sensors. You will need to use the wiring diagram/pinout location for a HPP model to make the correct connections and then a tuner can just toggle the PCM PID to show what an HPP PCM is set to from factory.

Hope that makes sense.

BD

Which pig tail is this? Purchase one? I been away from auto maintenance for years, I read your other post to my other post and you mentioned that your premium car has the green sending unit? does it have a digital dash?

 

[neat0]

Forgot to mention, BAMA said they can enable the sensor, but they use their own software.

 

[Buldawg76]

Which pig tail is this? Purchase one? I been away from auto maintenance for years, I read your other post to my other post and you mentioned that your premium car has the green sending unit? does it have a digital dash?

Yes my premium has the digital dash and the 1 wire green oil pressure switch with just an idiot light that never illuminates until I lose oil pressure with engine running above 400 rpm. I have tested it, and the oil light will not come on unless the engine is running, and the switch wire is grounded which simulates no oil pressure. Mine does not show the low, normal, high pressure that yours does in the center of dash. The switch is a simple open/closed switch with it being normally closed to ground and open with oil pressure, its grounded thru the block thru the threads and the single wire goes to the PCM to signal the loss of pressure.

Yes, Bama should be able to enable the PID for the sensor with their software.

Oil pressure sensor = CM5Z-9D290-B
Pigtail harness = HU2Z-14S411-BA
Oil-Vac/boost gauge = JR3Z-10849-AA

BD

 

[neat0]

Great stuff, how difficult is to add the pig tail, does it go to the PCM connector? Is it long enough to reach?

 

[Buldawg76]

Great stuff, how difficult is to add the pig tail, does it go to the PCM connector? Is it long enough to reach?

I am not exactly sure how long the wires on the pigtail are but likely only 12-18 inches or so and certainly not long enough to go all the way to the PCM. But only one wire actually needs to go to the PCM and the wire from the current switch in your car already does go to the PCM so will only need moved to different pin location in PCM. The canbus connections can be made to existing wires already in the harness at existing sensors. I know one of them can be made at the MAPT sensor on the top of the intake manifold and possibly both but don't remember for sure.

Like I said you need to get wiring diagram for the HPP ecoboost to determine actual sensors and their location to splice into the canbus low and high signals.

Here is a good source for service info and they are having a holiday discount sale now on 30 day, 1 year and 3 year DIY service manual plans. They will have the diagrams you need to wire in the pigtail correctly.

https://www.alldata.com/diy-us/en/diy-repair-information

BD

 

[neat0]

I am not exactly sure how long the wires on the pigtail are but likely only 12-18 inches or so and certainly not long enough to go all the way to the PCM. But only one wire actually needs to go to the PCM and the wire from the current switch in your car already does go to the PCM so will only need moved to different pin location in PCM. The canbus connections can be made to existing wires already in the harness at existing sensors. I know one of them can be made at the MAPT sensor on the top of the intake manifold and possibly both but don't remember for sure.

Like I said you need to get wiring diagram for the HPP ecoboost to determine actual sensors and their location to splice into the canbus low and high signals.

Here is a good source for service info and they are having a holiday discount sale now on 30 day, 1 year and 3 year DIY service manual plans. They will have the diagrams you need to wire in the pigtail correctly.

https://www.alldata.com/diy-us/en/diy-repair-information

BD

OK then I'll check it out, but if it gets kind of complicated for me I'll drop the idea to get it to work. I'm looking at other possibilities, maybe a tuner will have the option to display the oil pressure gauge, as long as I have a reading on it it will suffice. I got a tuner by SCT and Bama, i'll dig in the gauges menus and see if there is one for the oil pressure. In the mean time I'll post the complete trim and gauges at the Marketplace see if I can get a few hundredth bucks for the set. Bummer cuz I like the gauges, but don't want to have something not working on the dash, that's just me. Thanks for the help though, I learned a lot!

 

[cummmy5.0]

great news. my plan then:
splice/tap
PIN 1 : APIM 1 (Power +)
PIN 2 : APIM 53 (CAN +)
PIN 3 : APIM 54 (CAN - )
PIN 4 : APIM 37 (Gnd - )

and trim center vent... anything else needed?

"My color" is controlled with the CAN signal correct?

NOTE FOR RESEARCHERS --- again this is for a 15' GT Premium

I have a 2015 GT premium 50 year anniversary 6 speed, I took everything apart and could not find the plug. Did they add it to 2016+ only? I assume so considering you’re talking about splicing into another harness

 

[cummmy5.0]

On A 2016 Gt premium non performance pack the wiring for the gauges is already in place. Its behind the radio look for a small square hole and you should see one or two pins through the hole. Simply push this pin backwards untill its comes loose and then fish it up into place. This is a factory connector for the gauges and by default if its a not Pp car its placed there.

I found this in a youtube video. By keith stilson

Under the comments section


I can confirm this works on a GT premium non performance pack
After plugging in the gauges and getting your tune updated it will show proper oil pressure.
In my case i use Lund.
There is no other wiring involved or splicing. Just plug the connector in and trim your vents to fit.
The oil pressure switch is already present on the 2016 cars and does not need any additinal wiring just the updated tune and mycolor works properly as well.

Does the 2015 gt premium have the plug? I took everything apart and can’t find it anywhere

 

[cummmy5.0]

I wouldn't quite say it's been mentioned "several times in this post", or else myself AND 5 0 UFO probably would have caught it. OP says GTs don't require a tune aside from the 2015s, as has a later post confirming that it's plug and play on the 2016.

Regardless, are you trying to say that it's ONLY plug and play on 401a manual cars?

I have a 6 speed Gt premium 2015, I took the radio out and everything, I can’t find the plug anywhere. Does 2015 not have the plug?

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