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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 backup lights

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Old Nov 30, 2014 | 09:47 AM
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NO backup lights

I have a 5 spd 92 4 wd vehicle, if by chance I plugged the connector backwards, would this cause this condition to exist ? If not, I will have to dig much further to find the problem ....
 
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Old Nov 30, 2014 | 10:25 AM
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Did you pull the connector off for some reason?

The answer is no, that would not cause the backup lamp circuit to fail.

 
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Old Nov 30, 2014 | 09:50 PM
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"Did you pull the connector off for some reason?"

Maybe I was not clear, I had the trans and transfer case out twice, and assume a connector under there sends a signal as to when the trans is in reverse. If this is not the case, feel free to correct me .... Seems to me when I took the lens out, was not getting any power back to connector in other words not a bulb issue for reverse ....
 
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Old Dec 1, 2014 | 07:41 AM
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Look at the diagram I posted. The connector on the reverse light switch is C166. The circuit is very basic and regardless if you managed to put the connector on backwards or not it does not matter, power is applied to the bulb when the switch is closed (trans. in reverse).

Get a meter, verify 12 volts is present when the key is in the Run position. If that is good check the continuity of the switch.
 
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Old Dec 4, 2014 | 05:02 PM
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Randy:

Ok, so where would I find that connector, switch ?
 
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Old Dec 4, 2014 | 05:31 PM
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Originally Posted by JRS2
Randy:

Ok, so where would I find that connector, switch ?
My manual shows it on top of the transmission for the T18, M5OD and ZF manual transmissions.
 
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