67 Barracuda Reverse Lights

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DallasMan2000

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My reverse lights on a 67 Barracuda are not working. I checked the obvious with a test light and there is no power going back there while in reverse.

Does anybody know which fuse is for the reverse lights on a 67 Barracuda? Picture of my fuse box is below. I think the empty one is for the A/C that no longer exists. This is a 3 speed automatic on the floor. I’m kinda hoping I don’t have to pull the floor console apart but it does need some work. The black plastic slider piece that covers the gear slider area is gone and the light is not working.

If the fuse is good I am guessing it is the reverse switch inside the console. Thoughts?

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I would guess it's the switch in the console if your bulbs and fuses are good.
If I remember right the bulb socket grounds directly to the body, easy to check if there's corrosion.
 
Yep, I would imagine switch. Or it may be in the shifter linkages(same spot near switch). I had issues with our 67, I set my camera up outside aimed at the b/u lights and recorded video to see if they worked. Helped when working alone.
 
when a bulb does not come on, it is one of 4 things:
1. The bulb is bad. Test the bulb and/or replace it with a known good one.
2. The switch is bad. Test to see if there is power going into the switch. If there is, then a good switch will allow power to flow through it when placed into reverse. If there is power going into the switch but nothing coming out the other side when in reverse, then the switch is either bad or it needs some adjusting (if that is possible).
3.If there is power flowing through the switch when in reverse, then there is either a bad wire, a bad socket or a bad ground.
4. If there is no power going to the switch, then I'd look for a bad fuse or a bad wire/connection going to the switch.
 
First I want to scream UGH!………. Next I want to thank everyone for the comments so far.

I pulled off the console and there is no power coming in to the reverse switch or to the center console light bulb (with lights on). Double checked the test light ground by testing a fuse.

This could be a learning experience for me with some wiring diagram coaching.

Here are some pics of the shifter and some wiring diagrams from 67Barracuda Service Bulletin.

Any ideas about where to go from here?

Thanks again in advance for helping!

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it's hard to see but it looks like it is fed from the fuse furthest to the right in the fuse block. Pull that fuse out and check it with a multimeter on the ohms scale. OL no good. the simplest way is to follow the power wire you checked at the console switch back to it's original source. if there is a switch between it and the fuse box check it. every component that is wired in series with that wire between the wire at the switch and the fuse box could be the culprit or an open circuit. Patience grasshopper. follow it back step by step to the source.
 
Do anyone know if the light inside the center console is always on with the ignition on or does it only turn on when the headlights are on?
 
DallasMan2000 said:
Do anyone know if the light inside the center console is always on with the ignition on or does it only turn on when the headlights are on?
Click to expand...
Backup lights are "accessory", lights on/off does not matter, key needs to be in run or accessory.


Alan
 
DallasMan2000 said:
I am referring to the light inside the console that lights up the PRN321.
Click to expand...
None of the lights on the car have anything to do with the backup lights, not one part mixes with the lighting system on the car.
The backup lights are part of the WIPER circuit. Odd as that sounds.

Do yourself a favor and print out the wiring diagrams and trace the circuit, just the circuit needed. I do this anytime I'm troubleshooting which allows me to follow the current through the circuit.

(The blue highlighted wire is the white on the car)
Back-up.jpg



Alan
 
^^^Exactly^^^

On the version in the '67 Barracuda TSB the back up wiring is drawn with both the automatic and the manual transmission options. Whichever is not on the car has to be erased. Since this car has a console automatic, the B/U feed wire does not go to cavity H. Likewise there is no return to the bulkhead conector because the switch inside. Illustration

Mattax said:
Right connector should be the wiper motor, and the empty positons are for A/C and backup lamp switch if the car had manual transmission.
Click to expand...

For 67 the instrument lamp connection is near the flasher (ashtray) and the B/U connector is near the bulkhead multiconnector.
Photos New wiring for our ‘67 B’cuda

Instrument lamp circuit.
1719404846320.png

www.forabodiesonly.com

Flasher wiring not per scematic

My 1967 fish flasher switch is wired differently, supposed to be 2 green 2 tan 1 red and 1 white. I only have 1 tan, the tan leg from the dash cluster (right turn signal)is going to the bulkhead v location so I have 2 wires there. It looks like ma mopars work and everything rings out at all...
www.forabodiesonly.com www.forabodiesonly.com
 
I used to work the wiper switch back and forth to get my reverse lights to work, when the wipers came on the reverse lights would work.
 
So if my wipers and instrument lights are working then it is not a fuse issue, correct?

There was a new dash and wiring installed in the car a few years ago.
 
if you do not have power coming from the wiper switch then the wiper switch is probably bad and not passing power through.

Next would be to see if the wire between the two switches is good.

The wiring diagram I posted is you road map, follow the power, it is that simple.


Alan
 
Should the reverse lights light up if I run a hot wire from the battery to the violet wire coming from the reverse switch inside of the console? Is that a fuse box that the violet wire goes to on the wiring diagram above (labeled page 7). Looks like it goes into a square labeled “4” before it goes to the reverse lights in the Body Wiring diagram.

I tried the hot wire on the violet wire and the reverse lights did not light up.
 
Okay so I decided to run a hot wire around the car back to the reverse lights to see if they were operational. It turns out that one lit right up and the other has a ground problem. Plan is to fix the ground then check continuity between the reverse lights and the shifter switch. Will just run a new wire if needed, then run the other end of the shifter switch to a piggy back off a fuse that is hot with ignition on.
 
I bypassed my wiper switch years ago, even though I took it apart, cleaned it up, and got it to work and send power for the reverse lights.
Also put a small ground hub in the trunk, ran a ground wire all the way to another ground hub next to the battery.
1 wire from that hub to the battery, no longer have multiple wires on the negative terminal, and no more grounding issues front to back.
 
Good idea on the ground hub. Will go that route if grounding the light is still stubborn after clean-up.
 
Cleaned up bolt connections and second reverse light works now. Ran a new wire from back of car to console then another from fuse box to console. All is working great now. The old purple reverse wire had a break somewhere between the console and rear of car. Also ran a new wire to console light while I was in there. Wanted to avoid going that route but gave up on finding the direct cause of the issue.

These little fuse taps are very handy.

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