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Backup sensor stuck at OFF

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Old 01-29-2015, 10:54 AM
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Default Backup sensor stuck at OFF

Hey Guys,

Bought a 2007 SCREW FX4 with 93km about a week ago and I love it !

The only thing i'm having a hard time with is the backup sensors. As soon as I turn on the truck the switch illuminates to OFF, when in reverse it stays at off even when pushing the button. Bottom line no matter what I do the switch says off.

Any ideas ?
Old 01-29-2015, 11:32 AM
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Originally Posted by speedyp
Hey Guys, Bought a 2007 SCREW FX4 with 93km about a week ago and I love it ! The only thing i'm having a hard time with is the backup sensors. As soon as I turn on the truck the switch illuminates to OFF, when in reverse it stays at off even when pushing the button. Bottom line no matter what I do the switch says off. Any ideas ?
one of the sensors are bad they just unclip from the bumper.. I think. But yeah. One of the sensors are bad
Old 01-30-2015, 07:51 AM
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Is there a way I can figure out which one?
Old 01-30-2015, 08:21 AM
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Originally Posted by speedyp
Is there a way I can figure out which one?
I think there are 4 sensors. Just buy a new one and swap them out until it's fixed. Process of elimination. Maybe not the only way, but probably the easiest.
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Old 01-31-2015, 09:06 AM
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turn your key to the run position.. e-brake on !!! put it in reverse.. go listen to each sensor.. the good ones will make a clicking sound.. the bad one will not.. replace as needed
Old 02-02-2015, 08:48 AM
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I will get this chirp even if the switch on the dashboard says off ?

Originally Posted by techrep
turn your key to the run position.. e-brake on !!! put it in reverse.. go listen to each sensor.. the good ones will make a clicking sound.. the bad one will not.. replace as needed
Old 02-02-2015, 09:46 AM
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It's a clicking sound... and I believe so..



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