Sounds like your rear wheel speed sensor is the culprit. Pretty cheap
fix, just screw the old one outa the rear differential (on top of the
pumpkin)and screw the new one in.
$20 and 20 mins should fix it! :)
Gary Hedlin
2005 SLT 4.7 5spd
1998 Sport 3.9
www.garyhedlin.com
Charlie wrote:
> Hello to all. I have read some of the past posts to the list and it is
> very informative. I belong to a similar list for my '87 Jag and learned
> an unbelievable amount from others and their experiences; hope to have
> the same success with this list. I do have a question that hopefully
> someone out there can help with.
>
> So I'm driving down the road with my cruise control on and all is fine.
> All of a sudden the cruise drops off. I look at my instrument panel and
> the speedometer is at zero and my ABS and Brake warning lights are on. I
> look down again and the Speedometer is working but both ABS and Brake
> warning lights are still on. When I got to where I was going, I pulled
> the fuse for the ABS in the drivers side dash fuse access panel, the
> fuse looked good but put in a new fuse since I didn't have a meter with
> me to properly check. Start the truck again and everything is working
> properly. Go back on the road and again the ABS and Brake warning lights
> come on but this time the Speedometer is intermittently working.
> Sometimes it works all the time, sometimes not. Usually if I pull the
> fuse and re-insert it everything returns to normal. I disconnected the
> battery, thinking maybe it would reset the computer and magically fix
> the problem; it worked for two full days, but now it's back to doing the
> same thing again. I'm thinking there is a common relay or sensor
> somewhere. What do you think? I have a Haynes book but it does not show
> any schematics (that I found anyhow) for the ABS/Brake light and
> speedometer.
>
> Has anyone had this problem? Can you direct me to a good source for a
> schematic diagram?
>
> Any and all responses are more than welcome.
>
> Thanks to all ahead of time.
>
> Charlie
>
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