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I have 3 very small wires that need to be connected like a butt connector but able to be disconnected like a bullet connector. These are indicator light wires and are very very small. What connector would you electrical experts recommend?

 

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I have used many of the Chionese indicators.

Soldering iron.

View attachment 330887

I guess you completely missed the point that they need to be able to disconnect.

 

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If what you pictured goes through an 8MM hole, and you wanted to replace the light assembly as some point, I would suggest single bullet connectors which after a quick search shows they make them in under 8mm diameters.

I found this that matches your picture but I don't know for sure if it is what you are wanting to use:

Alpinetech PL8MS 8mm 5/16" 12V LED Metal Indicator Dash Instrument Panel Light with Symbol (Turn Signal)

Indicator Light, Pilot Light and Switches

alpinetech.com

It seems to me I've done something like this before but I would crimp on an 8MM or smaller female connector on the ground wire of the indicator bulb and then a male which should be smaller in it's outside diameter crimped onto the positive wire of the indicator light.

When assembly time comes, take the backup nut and lockwasher off of the indicator light assembly and slip one wire and connector through the nut and washer and then do the other. Both will not pass at one time.

Now, put the basic indicator light through the dash hole, and then on the backside pass one wire though the lights lock washer and then the other and then do the same, one wire at a time adding on the lock nut.

You can then plug in the male bullet terminal on the light assemblies power wire to a female bullet connector off of your harness and then plug in the male bullet off of the light assembly to a female bullet connector which would be a ground wire out of the cars wiring harness.

If you were to get non-insulated single wire crimp connectors, you could add heat shrink over things to prevent shorts.

https://micronwings.com/product/bullet-connectors-gold-2mm/

Jim

You 100% have the concept of what I need and what i'm doing. Yes, 8mm so the smallest bullet connector I can find is what I need.

 

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I did miss that.



Alternately, you might tin the wires and use a miniature terminal block to make things removable...

I actually thought about that but hadn't thought about tinning the wires, good suggestion. just a simple little mini terminal block on the back of the dash insert, I think might work.

 

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Personally, I use terminal blocks. I JB Weld them to the inside of the dash panel. The advantage of a terminal block is that it is easy to wire different gauge wires together. You can have spare connections for future expansion.

I am able to operate a screwdriver. I am absolutely certain you have similar talents. It is easy to turn a loosen a screw rather than pull apart a plastic connector that might break after five years.

Two, four point, terminal blocks glued to the inside of my dash.

View attachment 330970

I'm leaning heavy towards the terminal blocks

 

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Skin off 3/4 inch of insulation from both ends of each wire on the pigtail, and from the harness wires. Slip shrink tubing over each wire on the pigtail .Twist them tightly together, solder (rosin core) them together, shrink the tube insulation tight, é voila!

Soldering them together will make it very difficult to be removable

 

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I have more photos! 😃

I bolted a standoff to the radiator support and terminated my ground wires at one point. Unscrew the bolt and they are all loose. I am not sure this will work for your particular situation, but you might need something like this in the future.


View attachment 331216






View attachment 331217


Here is another standoff.



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I did a stud in the frame for my under dash grounds.

 

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Here's what I did. Top terminals are my grounds, then left turn, high beam and right turn