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  #21  
Old 10-13-2016, 08:05 PM
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Read the wiring diagram. The switch you refer to under the dash is ON the steering column and it is the Neutral Safety/Backup Lights Switch. Yes, it's in the diagram along with wire colors. It only makes sense that the shifter will turn on the backup lights.

Again, look at the wiring diagram. It clearly shows two wires on the headlight switch connected to 'A'; the backup lights and the glove box light. In '58 & '59 Squarebirds, the green brake light wire is also connected to 'A'. In '60, Ford disconnected the green brake light wire from the headlight switch and connected it to a separate in-line fuse fed from the 'Batt' post on the ignition sw.

If your backup lights do not energize unless the headlight switch is pulled out, you have your black/red wire on the wrong terminal. Put it back on 'A' (as shown in the diagram). - Dave

Quote:
Originally Posted by Deanj View Post
I found this quote from John on 6-25-16:

It's not an on-off switch like you are thinking. When you put the car in reverse there's a switch under the steering column that activates the backup lights. It gets power from the headlight switch. That's assuming that you actually have them installed.

John

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  #22  
Old 10-13-2016, 08:48 PM
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Dave is correct. The backup lights should work regardless of whether the lights are on or off. However this isn't the first time I've heard complaints of the backup lights only working when the lights are on. I would be interested to know how many of our members are having this issue so we can find out if there's a common cause.

John
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  #23  
Old 10-13-2016, 09:42 PM
Joe Johnston Joe Johnston is offline
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Quote:
In '60, Ford disconnected the green brake light wire from the headlight switch and connected it to a separate in-line fuse fed from the 'Batt' post on the ignition sw.
That should put this to rest and explain why some have the issue and others don't. 55 - 59 feed for the back up lights is from the headlight switch, and 60 and after from the ign switch.
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  #24  
Old 10-13-2016, 10:38 PM
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The backup lights and the brake lights are two separate circuits. The backup lights are connected to the headlight switch in 1960 just like in previous years.

John
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  #25  
Old 10-14-2016, 11:38 AM
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Thanks for saving me some face. I'll have to assume my headlight switch and ignition switch were replaced before I bought my car. I'm curious to know how this wiring mistake-because anyone who did this job isn't a dummy-could be made since it's common knowledge that reverse lights come on when the shift selector is in R.
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  #26  
Old 10-14-2016, 12:00 PM
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Even though I don't have a Squarebird, I may have to buy some electrical manuals to sort this out for myself.
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  #27  
Old 10-14-2016, 12:25 PM
Harry LePargneux Harry LePargneux is offline
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On my 1960, the backup lights do not come on unless the headlight switch is turned on. They work when either the park lights or headlights are turned on.
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  #28  
Old 10-14-2016, 04:15 PM
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My 1958 is the same, but i want to change it to be working without headlights on.
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  #29  
Old 10-16-2016, 11:31 AM
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The questions are did the factory make the mistake or did someone wire a replacement headlight switch incorrectly? How can so many of these be wired wrong? I'm not the only one who thinks they read something about the back-up lights coming on only when the headlamps were lit.

All I really know is that the old headlight switches are a nightmare because many circuits are wired there direct instead of going to a fuse box and distributed to the proper lamp.
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  #30  
Old 10-16-2016, 12:00 PM
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There are only enough terminals on the switch for the amount of wires there are. If the backup light wire is on the wrong terminal then another wire is also on the wrong terminal and wouldn't be working correctly. If I can dig out an old switch I will test it to see if some kind of internal fault can cause the A terminal not to be hot all the time.

John
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