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Author Topic: 85 - 87 vs 88 Oil Pressure Sending Unit  (Read 15131 times)

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Donster

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85 - 87 vs 88 Oil Pressure Sending Unit
« on: January 16, 2019, 04:00:24 pm »
As to my question in another thread about an unknown part, things have become a bit more clear now.
And I must say, the PO is starting to P me O!
He obviously replaced the original 88 OPS with an 85-87 OPS, which has a different connector. He cut the original connector off and just crimped on standard connectors. He also only had one wire connected to the OPS, the other 2 were just dangling there.
While I still have the original connector, I still would need the correct wires/colors and to which terminal they connect. Can't find wiring colors in the 88 SM, but I also need the wire colors for the 85-87 connections.Can somebody provide?
Thanks.
\D
« Last Edit: January 16, 2019, 05:06:46 pm by Donster »
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GTRS Fiero

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #1 on: January 16, 2019, 06:35:06 pm »
Here you go.

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Donster

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #2 on: January 17, 2019, 04:55:10 am »
You da man!

Thnx

\D
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Fierofool

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #3 on: January 17, 2019, 09:16:31 am »
Here's my conversion from 85-87 to 88 thread.
http://www.gafiero.org/bbs/index.php?topic=1642.0
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Donster

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #4 on: January 17, 2019, 02:32:30 pm »
You da other man!  ;D
Thanks 2 U 2 Charlie!

\D
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Donster

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #5 on: January 18, 2019, 02:42:47 pm »
How is it, that with only the tan wire (to gauge) connected, all works fine??
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Fierofool

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #6 on: January 18, 2019, 04:56:49 pm »
It's probably because the car had a Previous Owner.    :(
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GTRS Fiero

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #7 on: January 18, 2019, 06:05:50 pm »
Because the light and gauge both run off that wire, and the fuel pump runs off the fuel pump relay.  I am curious about the power, though.  The black wire should have to be connected.
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GTRS Fiero

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #8 on: January 28, 2019, 08:51:16 pm »
When this thread came up, the February newsletter was well under way, which is why I had something to contribute.  The topics themselves were started months ago.  It was interesting, how the timing worked.
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Donster

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #9 on: June 08, 2019, 10:00:34 am »
OK, new (88) OPS has arrived. The old one was making the gauge bounce all over the place - full spectrum.Installed the new one today, no oil light and the gauge goes all the way past 80 to full.
I am having way too many electrical problems with this car!
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Fierofool

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #10 on: June 08, 2019, 10:45:46 am »
Did the sender come from the US or was it from somewhere in Europe? 
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Donster

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #11 on: June 08, 2019, 11:26:34 am »
Quote from: Fierofool on June 08, 2019, 10:45:46 am
Did the sender come from the US or was it from somewhere in Europe? 

RockAuto
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GTRS Fiero

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #12 on: June 08, 2019, 11:33:40 am »
Have you tested with a mechanical gauge?
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TopNotch

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #13 on: June 08, 2019, 12:01:58 pm »
80 pounds may be normal for an 88 duke in good conditions. Try running it till it's hot, and see if it drops off a little.
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Raydar

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Re: 85 - 87 vs 88 Oil Pressure Sending Unit
« Reply #14 on: June 08, 2019, 04:49:12 pm »
Quote from: TopNotch on June 08, 2019, 12:01:58 pm
80 pounds may be normal for an 88 duke in good conditions. Try running it till it's hot, and see if it drops off a little.

My Duke seems to run higher "hot" oil pressure than any of my V6s ever did. 55-60 lbs at idle. At least according to the gauge.
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