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Thread Tools | Display Modes |
30-11-2020, 06:18 PM
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#1 | ||
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Regular Member
Join Date: Feb 2020
Posts: 78
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Does anybody know which pins on an AU2 instrument cluster is for the oil sensor and the data transmit for the trip computer?
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30-11-2020, 06:39 PM
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#2 | ||
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Regular Member
Join Date: Sep 2018
Posts: 440
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I can't make out any of the text, but there's a wiring diagram here: http://fordforums.com.au/wsm/wire/au...html#page00006
Looks like the oil pressure switch is in section G-1, bottom middle. |
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30-11-2020, 06:53 PM
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#3 | ||
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Regular Member
Join Date: Feb 2020
Posts: 78
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Thank you very much for your suggestion, however this schematic is for a low series and I think that the low series varies greatly from the high series.
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30-11-2020, 06:54 PM
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#4 | ||
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Regular Member
Join Date: Sep 2018
Posts: 440
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High series is the next one down. G-2.
Looks like it's in the same place, same pin. |
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30-11-2020, 07:10 PM
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#5 | ||
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Regular Member
Join Date: Feb 2020
Posts: 78
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Yes, you are quite correct, but these schematics are for AU1 clusters.
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30-11-2020, 07:40 PM
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#6 | ||
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#neuteredlyfe
  
Join Date: Apr 2012
Posts: 10,626
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AU and AUII cluster schematics are the same.
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30-11-2020, 07:47 PM
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#7 | ||
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Regular Member
Join Date: Feb 2020
Posts: 78
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That cant be correct because the AU2 cluster I have doesnt show oil pressure or trip computer data, yet my AU1 cluster works perfectly in my Fairmont.
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30-11-2020, 08:02 PM
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#8 | |||
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#neuteredlyfe
Join Date: Apr 2012
Posts: 10,626
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Quote:
The oil 'gauge' in a series 1 is an actual gauge, the oil 'gauge' in a series 2 is not a gauge in a real sense. The gauge in a series 2 will only indicate if there is oil pressure or not. What makes them different is the sender. |
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30-11-2020, 08:54 PM
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#9 | |||
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Regular Member
Join Date: Feb 2020
Posts: 78
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Quote:
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30-11-2020, 08:57 PM
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#10 | |||
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#neuteredlyfe
Join Date: Apr 2012
Posts: 10,626
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Quote:
What sort of cluster are you installing? A Fairmont or XR one? |
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30-11-2020, 09:04 PM
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#11 | |||
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Regular Member
Join Date: Feb 2020
Posts: 78
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Quote:
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30-11-2020, 09:10 PM
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#12 | |||
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#neuteredlyfe
Join Date: Apr 2012
Posts: 10,626
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Quote:
I have read somewhere that you can put a series 1 in series 2 but not the other way around. All I do know is many have tried this mod/upgrade and were not able to do it. EDIT: Sorry, I missed your other question. It has an analogue gauge simply to make the features brochure look complete when they were sold new. There would have been some buyers that would have thought it to be wrong not to have an oil gauge back in the early 00's. Last edited by PG2; 30-11-2020 at 09:15 PM. |
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30-11-2020, 09:21 PM
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#13 | ||
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Regular Member
Join Date: Sep 2018
Posts: 440
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As per the wiring diagrams, the only input for oil pressure comes in the form of a switch (off/on), there's no analogue input, so there's no analogue display. No matter how analogue-ey it looks.
EDIT: From the WSM: http://fordforums.com.au/wsmpub/augx/Part%2015-3.html "Oil Pressure Gauge: The gauge position is damped by cluster microprocessor software... Low Oil Pressure Warning Lamp: For high series models, the sender is a switch..." The high/low signal comes from the switch, the cluster converts it into an arbitrary position on a gauge. Last edited by Metdevil; 30-11-2020 at 09:26 PM. |
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30-11-2020, 09:24 PM
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#14 | ||
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Regular Member
Join Date: Feb 2020
Posts: 78
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I am fairly new to Fords, so I dont purport to be any kind of authority on the matter, but when I pulled out my original AU1 cluster and put in the AU2 one, everything worked well except for the oil gauge and trip computer data. It appears that the trip computer data is generated by the cluster and not the BEM as the AU1 cluster has a trip computer transmit data output pin. There seems to be very little information on the AU2/3 clusters. With regard to the oil gauge, it appears to be a glorified ohm meter that just measures resistance to ground. I dont want to start jumpering pins to work out which one is the oil pin. The cluster I have is in mint condition and I dont want to blow it up for the sake of finding out which pin is the oil sensor pin.
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30-11-2020, 09:31 PM
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#15 | ||
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Regular Member
Join Date: Feb 2020
Posts: 78
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[QUOTE=Metdevil;6519008]As per the wiring diagrams, the only input for oil pressure comes in the form of a switch (off/on), there's no analogue input, so there's no analogue display. No matter how analogue-ey it looks.
So the solution here is to swap out the oil pressure sensor for an idiot(on/off) light type sensor ? |
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30-11-2020, 09:39 PM
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#16 | ||
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Regular Member
Join Date: Sep 2018
Posts: 440
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Couldn't tell you what the solution is, sorry.
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AU2 instrument cluster oil sensor pin
Linear Mode
