Reverse lights not working

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Reverse lights not working

Postby 71swept777 » Sat Sep 24, 2016 8:23 am

Hey there,
Have a 71 Dodge D100. When purchased it had the 3 on the tree removed and a 3 speed on the floor put in. I fixed the speedometer not working issue, but don't have reverse lights. Is there something "buried" in the steering column that needs to be jury rigged - or? Thanks in advance.
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Re: Reverse lights not working

Postby PwrWgnDrvr » Sat Sep 24, 2016 9:54 am

The reverse light switch is usually on the transmission, not the column.
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Re: Reverse lights not working

Postby 71swept777 » Sat Sep 24, 2016 2:25 pm

Right. So I need to find those reverse wires and wire them to the reverse switch on the new trans?
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Re: Reverse lights not working

Postby 712edf » Sat Sep 24, 2016 4:08 pm

Yes. And its possible that the previous owner removed those wires or just didn't plug them back in. I'm assuming only the shifter was changed & the truck still has same transmission, correct?

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Re: Reverse lights not working

Postby 71swept777 » Sat Sep 24, 2016 4:33 pm

Correct - original trans. I will take a look - thanks!
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Re: Reverse lights not working

Postby marklein » Thu Sep 29, 2016 8:39 pm

It's the 2 outer wires on the neutral safety switch. One has 12 volts+, the other goes to tye backup lights. The center wire is the neutral safety.
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Re: Reverse lights not working

Postby Caliswept » Tue Mar 07, 2017 12:44 pm

saw this post and its right up my alley....

my neutral safety switch has 3 prongs also

1 Is reverse lights and now work...

I reversed traced the wires and found out that 1 black wire is not connected... I cant figure out where it goes to...
so if anyone has retraced them back, can u please let me know...
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Re: Reverse lights not working

Postby Caliswept » Tue Mar 07, 2017 12:47 pm

where does the center one go connected if u trace it back to the wiring harness?
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Re: Reverse lights not working

Postby pwadventurer » Thu Mar 09, 2017 4:57 pm

Caliswept wrote:where does the center one go connected if u trace it back to the wiring harness?

My guess would be starter relay, ground wire
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Re: Reverse lights not working

Postby MadMC63 » Thu Mar 09, 2017 8:42 pm

I think a good question to ask is will it start in gear?
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So what's wrong with setting beneath a single pull string incandescent light bulb writing angry letters?
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