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I changed my vss 2 times now still no change in my speedometer not working
2004 Ford F-350 Super Duty

I changed my vss 2 times now still no change in my speedometer not working

(2004 Ford F-350 Super Duty)
Speedometer not working and abs light on changed all the spark plugs and coil packs and put 2 different vss from advanced auto in still no change
Tags: ford, f 350 super duty
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Popular Answer
on June 04, 2019

On *top - center* of the rear differential you’ll find the rear ABS speed sensor - this sensor ALSO provides necessary ‘speedometer’ inputs!!

Dorman part number > 970-012

Inspect wiring and the wire connector for any signs of damage as well.

Happy motoring!
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on June 04, 2019

Common mistake to replace VSS when speedometer is inop - however the real culprit is on top of the rear diff .. In fact Vehicle Speed Sensors are very reliable and rarely fail.

RABS sensor replacement should take care of the ABS issue as well.

It’s a fairly easy install.
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on June 04, 2019

On *top - center* of the rear differential you’ll find the rear ABS speed sensor - this sensor ALSO provides necessary ‘speedometer’ inputs!!

Dorman part number > 970-012

Inspect wiring and the wire connector for any signs of damage as well.

Happy motoring!
Sign in to reply
on June 04, 2019

Common mistake to replace VSS when speedometer is inop - however the real culprit is on top of the rear diff .. In fact Vehicle Speed Sensors are very reliable and rarely fail.

RABS sensor replacement should take care of the ABS issue as well.

It’s a fairly easy install.

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