2002 Ford F-350 Super Duty VSS Signal
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=68190
Printed Date: May 18, 2025 at 5:34 AM
Topic: 2002 Ford F-350 Super Duty VSS Signal
Posted By: BoominRolla
Subject: 2002 Ford F-350 Super Duty VSS Signal
Date Posted: December 12, 2005 at 7:46 AM
I found what appeared to be the right VSS wire but the unit says i'm doing 40 MPH when i'm really doing 20 they told me to get it at the PCM on the drivers side... That was a joke! So they aslo said at a small silver module (Speed control Module?) On the passangers side of the engine bay pin 3 gray/black. Well I found a pin 3 and there was a gray/black wire in it... But it throws my reading off... Maybe the unit was all finished downloading? The navigation unit is the brand new one from alpine. The tech dept said that the VSS wire is only needed to aid the navigation when traveling in large cities with big buildings and tunnels... Anyone ran into this problem with this truck? How can I fix it?
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Replies:
Posted By: Mike M2
Date Posted: December 13, 2005 at 6:42 AM
I'm not sure about how the Alpine works, but most Navs have a way of recalculating the VSS. Not all cars have the same pulse, and just a tire change can make it off. The Elcipse has a setting just for a tire change and learns all over again. This may take a few miles before it learns totally. Gray/black is a standard color for VSS in ford trucks, my guess is it is the correct wire...
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Mike M2
Tech Manager
CS Dealer Services
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