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Reverse switch or range sensor

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Old Oct 10, 2018 | 10:45 AM
  #1  
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Reverse switch or range sensor

Can anyone please help me ? I have a 2004 Ford f 350 crew cab dually 4x4 with the 5R110w transmission . Can anyone tell me where the reverse switch or the transmission range sensor is ??? The truck is deisel 6.0 with the 5R110w transmission ??? Can anyone help me ? My reverse lights stay on all the time . with out the key in the ignition and even when the truck is not running . Can anyone please help me ?? Do you have pictures of where it is located ??? Thank you !!!
 
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Old Oct 10, 2018 | 10:53 AM
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The switch isn't your problem, the gem module is.
 
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Old Oct 10, 2018 | 01:45 PM
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Originally Posted by ford390gashog
The switch isn't your problem, the gem module is.
I'm looking at the schematics and don't see any interaction between the GEM module and the reversing lamps.

where the reverse switch or the transmission range sensor is ?
Doesn't matter, can't cause the stated symptom.

My reverse lights stay on all the time . with out the key in the ignition and even when the truck is not running .
Go into the fuse box under the dash and first pull fuse F8 Report what happens to the reversing lamps. Then, put the fuse back in and pull the reversing lamp relay and then report those results. See owner's manual for component locations.



 
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Old Jul 1, 2023 | 08:11 PM
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Originally Posted by projectSHO89
I'm looking at the schematics and don't see any interaction between the GEM module and the reversing lamps.

Doesn't matter, can't cause the stated symptom.

Go into the fuse box under the dash and first pull fuse F8 Report what happens to the reversing lamps. Then, put the fuse back in and pull the reversing lamp relay and then report those results. See owner's manual for component locations.
I'm having the same issue. I will do as you say and report back.
 
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Old Jul 2, 2023 | 07:46 PM
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The backup light switch is part of the range sensor. The range sensor is located inside the pan in the 5R110W.
 
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