OD Trouble!!!

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05-27-2009, 06:29 AM

Rafter B

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OD Trouble!!!

This weekend my overdrive and my speedometer in my 93 quit at the same time. Any ideas why that happened and how to fix it? Thanx for the help!!

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05-27-2009, 06:46 AM

justinsdad

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Probably gonna be the pcm, drivers side fender well behind the battery. Check to see if it is charging, if not that is likely gonna be your fix.

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05-27-2009, 07:30 AM

archer39

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Could be the the VSS sensor. Craw under the truck and take a look on the transfer case and see if it is still connected. They have a tenancy to just fall out.

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05-27-2009, 09:49 AM

rollie

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It's the speed sensor, or pinion gear which comes out of the transmission. Do a search and you'll see all the info. contact PATC in LA. for the parts you need. It's a real easy fix.