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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

YES.. another PSOM thread

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Old Aug 1, 2023 | 08:15 AM
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YES.. another PSOM thread

Morning Gents/Gals.. I have a 93 Lightning I'm attempting to get back on the road.. Its a bucket with 325K miles. My current issue I'm focusing on is the instrument cluster.. 2 things are needing fixed , My Oil pressure gauge shows beyond absolute 0 when key is on, but "creeps" up near 0 when key is off. I've replaced the oil sender on engine, grounded it out to see if the gauge "centers" itself, no change, also I've replaced the oil pressure gauge with a spare I had, still no change.. 2nd issue, my speedo sets at 10mph when in park, engine running.. I turn off the engine, it pecks down @ 0.. If you see the attached photos, I believe that maybe my issue is the circuit strips (copper) that the harness plugs into.. They seem damaged. I'm requesting advice on how to get this repaired, or if anyone concurs with me that it "could" be the issue.. I've already reached out via call/email to modulemechanics.com to see if they can repair.. no word back yet. Sorry for long post, thanks everyone.

 
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Old Aug 2, 2023 | 07:05 AM
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Yes, try to find a new printed circuit for your cluster
 
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Old Aug 2, 2023 | 08:45 PM
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The printed circuit for your cluster will NOT effect the speedometer needles position or the PSOM in any way.
They are different modules and circuits.
 
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Old Aug 3, 2023 | 06:17 AM
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Originally Posted by subford
The printed circuit for your cluster will NOT effect the speedometer needles position or the PSOM in any way.
They are different modules and circuits.
So, what is causing the speedo to start at 10mph? Also, the oil pressure gauge to be at above 0.. Thx for the reply
 
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Old Aug 3, 2023 | 07:03 AM
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Grab a dash from the JY and plug it in. Should tell you a lot and not cost a lot of $$
 
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Old Aug 3, 2023 | 05:18 PM
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From: Easton,Ks
Originally Posted by jhrsmail
So, what is causing the speedo to start at 10mph? Also, the oil pressure gauge to be at above 0.. Thx for the reply
The common item is the ground at G200.
Make sure G200 is well grounded.
Also check ground G101.




/
 
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Old Aug 7, 2023 | 03:23 PM
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You can also send the Cluster to Module Mechanics and they will test and repair your cluster if its out of spec.
 
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Old Aug 10, 2023 | 01:07 AM
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If the needles have ever been removed from the gauges they may not have been put back on in the proper position.

Does the speedo read 0 when off and jump up to 10 when the key is turned on?
 
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Old Sep 3, 2023 | 10:29 PM
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Originally Posted by subford
The common item is the ground at G200.
Make sure G200 is well grounded.
Also check ground G101.




/
Where is that G200 please? I see the G101's location but can't figure out the other.
 
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Old Sep 3, 2023 | 11:04 PM
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That G200 is behind the RH kick panel
 
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