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'69 Bee - Dome light and hazard switch questions.

M

MikeyM

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Hi all,

Dome light:
In the effort to continue learning this car and reconnecting the things that were not connected, the dome light harness that runs from the light down the driver side A pillar has a different connector than the one that came in the new harness for the Rallye dash. The light harness connector is T-shaped and female with spade connectors while the connector on the dash harness is female, has 2 pins with the 2 yellow wires and single pink. From looking at the wiring diagram, it looks like there may be some kind of intermediate harness? That goes between the dome light harness and main dash harness? If so, any idea what it's called and where to get it?

Hazard switch:
Which way does the connector plug into the hazard switch? There's a little nubby on the side of the connector but I'm not sure if it faces toward the driver or passenger side when connected.

Thanks very much,
Mikey
 
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Wiring may be hacked. The trunk lite option has a pigtail option. Trunk lite plugs into the dash harness, dome plugs into the trunk harness. The connector is kinda square with a pointed nose.
Least, that is how my '69 Road Runner is.
Not sure about the 4-way.
 
Thanks Bird,

The wiring from the trunk looks to be original and the dash harness is new. I do have the pointed nose plug you mention. But the wiring that goes to the trunk connects to a rectangular connector from the main dash harness. And the harness from the dome light goes down the A-pillar behind the dash to a T shaped connector with 2 spades. Is there a connector somewhere that I'm missing? It seems I don't have the connecting end to that pointed connector coming from the main harness.
I just looked in the trunk, and felt all around. I have no trunk light switch, nor do I seem to have any wiring going up to the trunk lid.

IMG_3745.jpeg


IMG_3746.jpeg
 
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MikeyM said:
Thanks Bird,

The wiring from the trunk looks to be original and the dash harness is new. I do have the pointed nose plug you mention. But the wiring that goes to the trunk connects to a rectangular connector from the main dash harness. And the harness from the dome light goes down the A-pillar behind the dash to a T shaped connector with 2 spades. Is there a connector somewhere that I'm missing? It seems I don't have the connecting end to that pointed connector coming from the main harness.
I just looked in the trunk, and felt all around. I have no trunk light switch, nor do I seem to have any wiring going up to the trunk lid.

View attachment 1901884

View attachment 1901885
Click to expand...
Trunk light was an option and a separate wire was run for it as I recall.
 
MikeyM said:
Hi all,

Dome light:
In the effort to continue learning this car and reconnecting the things that were not connected, the dome light harness that runs from the light down the driver side A pillar has a different connector than the one that came in the new harness for the Rallye dash. The light harness connector is T-shaped and female with spade connectors while the connector on the dash harness is female, has 2 pins with the 2 yellow wires and single pink. From looking at the wiring diagram, it looks like there may be some kind of intermediate harness? That goes between the dome light harness and main dash harness? If so, any idea what it's called and where to get it?

Hazard switch:
Which way does the connector plug into the hazard switch? There's a little nubby on the side of the connector but I'm not sure if it faces toward the driver or passenger side when connected.

Thanks very much,
Mikey
Click to expand...
Any other harnesses with yellow and pink wires are the map light, key light, console lights. Rally and standard still have all the same dome and accessory wiring.
 
Thanks. So I guess I don't have the light package as I don't have a trunk light or a map light. In that case, can I simply connect the dome light harness to the one down near the kick panel if I replace the connectors?

Thanks,
Mikey
 
What year car is this? Something is off. Everything should be plug and play. I am only familiar with my '69.
 
It's a '69 Superbee. The dash wiring harness is a new M&H unit with the pointed Molex?? plug you mentioned. The dome light, however, does have a pink and a yellow wire but it has a T shaped 2-spade connector. It runs down the driver A pillar and looks factory but was just hanging behind the dash when I got the car.

I suppose the PO could have switched out the dome light. Do any other years come with the T-shaped plug that you know of?

Since I don't have a map or trunk light, there's nothing running to the back so I'm assuming I don't have the light package. Could I simply swap the dome light connector for a Molex one that plugs into the main dash harness?

Thanks,
Mikey
 
Doesn’t the dome light harness in B bodies up to 70 run throught the C pillar? The intermediate harness carries also the wire for the trunk light.

Yes you can swap plugs. 2 ways standard Molex plugs and terminals are available. Althought you can also get a dome light with the Molex terminals on pigtail already matched.
 
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Thanks all,

Nacho, much appreciated. So my guess is when the PO did the headliner, he ran the pink and yellow dome light harness down the driver A-pillar. So it's just hanging out behind the dash. So if I take the dome/trunk light feed (2 yellow, 1 pink) from the main dash / instrument cluster harness which has the pointed Molex connector and just cut/replace the T connector on the 2 yellow/pink wires coming from the dome light with the correct Molex connector, all good? Door switches will work, etc? I can't see why not since there's nothing running to the trunk but I'm not the greatest electrical guy :)

Thanks again!

Mikey
 
Yes, will work. That’s in fact how runs 71 and laters B bodies (also E) But if you don’t want to deal with that, you can also get a dome light assembly with the right conector.


OOOOOR, keep the dome light itself but change the harness from socket up to connector

1970 - 1974 Mopar E Body Dome Light Wiring Harness 71 72 73 74 Cuda Challenger | eBay

You can allways sell the one you have at this moment as full harness. Somebody could need the opposite you are needing
 
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Well, I had partial success which ended up in blowing the dome/brake fuse.

Here's the details - I installed my new door jamb switches, connected them with the yellow wires coming from the main harness. Then I made up a little intermediate harness with pretty Molex connectors, plugged it in between the main dash harness pink/yellow and the dome light pink yellow. The dome light turned on. YAY! But it wouldn't turn off unless I turned the interior lights roller knob to "on" or opened the doors.. Bummer. So I flipped the pins in one of the Molex plugs - same result. Then blew the fuse again. It seems I can keep current to it for maybe 10 seconds and it blows the 20A fuse so it's carrying some current. Anyone have any ideas? Likely a short somewhere but why would the dome light go OUT when I open the door or turn on the roller knob interior lights?

Thanks for your continued help,
Mikey
 
Something is backwards, dead short. Did you install this new harness? These harnesses are plug and play, my opinion, but kinda hard to screw up. I have done M&H full harnesses in 3 cars and never had an issue. If your dome is working with the door closed, something up there is grounded. I am not a real problem solver when it comes to wiring, not sure why your dash switch is getting involved. Keep looking! If this problem wasn't there before hooking up the dome, it's the dome.
 
Thanks Bird, that's what I suspected, also. Just not sure where.

I did install the new harness and everything that is connected works fine. I'll bet that short is in the dome light harness somewhere above the headliner because the way the PO ran the harness seems to be diagonally from the light location straight to the A pillar and it seems to be tight. I can't move the harness where it comes out of the headliner so maybe one of the wires got chaffed or something.

Thanks,
Mikey
 
On my bird, an old race car, I had no dome light because of the roll cage. So got a used dome and harness. Ran mine over to the roof and then forward to the A pillar and down. As said earlier, I got a used trunk light harness. The trunk light molex harness plugged into the dash harness. The dome light then plugged into a pigtail from the trunk harness. I also installed All new M& H harnesses through out the rest of the car. When you find your issue, repair it , find new wires to extend it properly or find a good used one. Hope that this solves it!
 
what bulb are you using?

Correct one must be 1004 which is one contact single filament. This bulb gets the bulb base isolated from filament since both poles are fed by the contacts. This is like that because the dome light is triggered via ground. So bulb filament must be isolated from chassis.

When using wrong bulb weird stuff begins to happen. Tipically 1157 (two contacts two filaments) uses to be installed where both contacts drives positive while base is grounded. Supodselly you couldn’t install a 1157 bulb on the dome socket because keys on sides are offset, but trust me, you can accidentally LOL. Installing a 1157 bulb will become on an imposible to turn off light with two constant poles present.

If using 1156 for example (single contact single filament) you can get accidentally both socket points being “bridged” by the single bulb contact.
 
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Nacho, you did it again. Thanks! The bulb in there now is a single contact 105 bulb. I think I have a 1004 at home that I can try when I get back. So I supposed I will have to roll my pink and yellow wires back to match, correct?

Thanks,
Mikey
 
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