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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

No reverse lights (Calling RLA2005)

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Old Aug 19, 2016 | 12:54 AM
  #1  
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No reverse lights (Calling RLA2005)

Truck is a 1992 F150

Whole issue came about after a friend's pitbull decided my trailer harness was a chew toy.

Of course it popped a couple fuses (Instrument Cluster Lights, etc)

Replaced the harness, fuses, etc and no bueno.

No power to the bulbs themselves.

Changed the reverse light switch, figuring it couldn't hurt....Still no bueno.

At this point, new parts are a 4 pin harness kit, and a reverse switch and getting 0 power to bulbs OR Switch.

Anything else I can troubleshoot?

Thanks in advance
 
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Old Aug 19, 2016 | 01:49 AM
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Since theres no power to the switch are you sure you checked the correct fuse?
The online diagrams are fuzzy so i cant read the fuse number, but it's a 15 amp in the engine compartment fuse box. Should be a diagram on the underside of the lid.
 
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Old Aug 19, 2016 | 03:41 AM
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Originally Posted by 87 XLT
Since theres no power to the switch are you sure you checked the correct fuse?
The online diagrams are fuzzy so i cant read the fuse number, but it's a 15 amp in the engine compartment fuse box. Should be a diagram on the underside of the lid.
All fuses are good and accounted for.

One thing to note, is a long time ago I jumpered the NSS to save nearly $50

Not sure if there is a correlation, as the reverse lights worked fine after the modification.

To date, I've replaced both bulbs and the reverse light switch; and getting 0 power to anything. Not even voltage on the input side of the reverse switch.
 
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Old Aug 19, 2016 | 07:12 AM
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You checked all the fuses in both the underhood and interior fuse boxes?
 
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Old Aug 19, 2016 | 07:34 AM
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If you have no power on the Pink/Orange wire it's either a fuse or open circuit between the fuse and switch.



Note Fuse E is in the engine compartment power distribution box.
 
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Old Aug 19, 2016 | 08:56 PM
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Originally Posted by Lead Head
You checked all the fuses in both the underhood and interior fuse boxes?
Yup I did......
 
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Old Aug 19, 2016 | 08:59 PM
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Originally Posted by rla2005
If you have no power on the Pink/Orange wire it's either a fuse or open circuit between the fuse and switch.



Note Fuse E is in the engine compartment power distribution box.
Already checked the fuses

So when now to find a broken wire....joy
 
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Old Aug 19, 2016 | 11:14 PM
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Originally Posted by SideWinder4.9l
Already checked the fuses

So when now to find a broken wire....joy
You have the diagram, use a meter or test light chase it down. Never fun, but the alternative is $$!!!!
 
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