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Home/ Registry/ Ford/ F-250/ 1987–1991/ “Creampuff”/ 87-91 PSOM retrofit supermotors.net/registry/26713/83798

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87-91 PSOM retrofit

From 1990 Ford F-250 “Creampuff” — documented by Kingfish999.

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1990 Ford F-250 - 87-91 instrument cluster out of my 88 Bronco on top 92-96 instrument cluster out of my 96 Bronco on bottom Because I am putting a electroni… 1990 Ford F-250 - remove all the screws holding the lenses and black plastic on 1990 Ford F-250 - 87-91 (88 in this case) instrument cluster. it has the optional tachometer 1990 Ford F-250 - start by removing the other gauges. gently and cautiously pry evenly to remove each section. they are only held in by the connections to th… 1990 Ford F-250 - gauge section removed 1990 Ford F-250 - the sections are held in the connections. the gauges just push into and out of the rest of the assembly 1990 Ford F-250 - all gauges removed the speedo gets removed last as its held in by the tach and oil/fuel gauges. 1990 Ford F-250 - the gauges removed form the 92-96 cluster. they are removed the same way 1990 Ford F-250 - 92-96 speedo on left, 87-91 speedo on the right. they are pretty much the same size overall. speedos for clusters without the tach are a di… 1990 Ford F-250 - as you can see they are almost perfect. but trimming on the 92-96 will be required to fit and look flush 1990 Ford F-250 - 92-96 cluster body on left. 87-91 on the right as you can see they are different and cutting will be required 1990 Ford F-250 - electronic 92-96 speedo with PSOM on left, cable driven 87-91 speedo on right. 1990 Ford F-250 - place the new speedo in the old cluster body to note where you need to cut/trim to make fit 1990 Ford F-250 - back side of the cluster showing how I cut mine out to fit. I didn't have the best tools for cutting it out so its pretty unclean of a cut.… 1990 Ford F-250 - inside view of how I cut and trimmed the cluster out. yes I know its a unclean cut be careful to not cut the film wiring on the backside of… 1990 Ford F-250 - I trimmed the new speedo some so it fits correctly and is flush the new speedo has a lip on the 2 sides that needed to be trimmed. they wer… 1990 Ford F-250 - got the new speedo in the old assembly. I am not entirely sure how to change the gauges needle to make them match. I didn't want to risk br… 1990 Ford F-250 - you will have to drill 2 new holes in the lens for the buttons on the new speedo. I test fitted the lense and marked it with a marker. I en… 1990 Ford F-250 - got the 2 holes drilled. I marked them off quite abit so I drilled them bigger till they fit 1990 Ford F-250 - all assembled minus the shift indicator which I don't have at the moment. the 96 one wont work because the PSOM hits so theres a possibilit… 1990 Ford F-250 - all assembled minus the shift indicator which I don't have at the moment. the 96 one wont work because the PSOM hits so theres a possibilit… 1990 Ford F-250 - pinout for the PSOM plug the signal from the Vehicle Speed Sensor first goes through the ABS Module, then to the PSOM, then finally to the… 1990 Ford F-250 - Diagram shows an overdrive switch with numbered pins and associated wire colors.