will any red connectors match up ? are they universal ? or do they have to be same brand an model ?

Based on reviews I read before buying them you cannot plug these into other brands.

.Will these fit 12 gauge wire? I need to put 2 12gauge in each terminal pin for fog lights.

These are WAY too big for 12 gauge wire; they are built for 2-4 ga but any size that can be pinched in the silver connectors will work. Richard Nielsen is wrong.

The pins can be inserted two ways. Which ways does the hook on the pin go, Toward the metal conatct or away. I am guessing away.

The hook goes toward the metal as it is the locking mechanism that locks it into the housing. Basically it's the exact opposite of what you were imagining but dont worry, if you mess up you can use a little screw driver or whatever else to depress the metal locking tab and remove the pin to reinsert the opposite way. I did several of these all at once on a multiple battery unit and accidentally did one or two of them backward and you can depress tab and pull them right out. But the hook has to catch on the metal tab. If you try and do it the way you were thinking the pins will not lock in place and can and will slide out every time you disconnect and because of the lock meant to grab the tab on the housing, you may never be able to disconnect these if the two locking ends get locked inside of the casing. I dont know, I dont want to try or find out.

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MUYI 2PCS Pack 2-4 Gauge 175A Battery Cable Quick Connect/Disconnect Plugs

Product ID: 309854053

Details

Color
Red
Connector Type
Quick
Contact Material
Copper
Insulation Material
Rubber
Terminal
Pin Terminal

⚡12-36V operating voltage

🔋175A current capacity

🛠️Fits 2-4 gauge wire

172 Lei

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Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your gear in seconds — don’t get left unplugged!

BUILT TO LAST - Durable polycarbonate housing with rubber boot covers for rugged use
UNIVERSAL FIT - Compatible with 2-4 gauge wires, perfect for winches, trailers & more
HIGH VOLTAGE READY - Supports up to 36V continuous, 600V max standing voltage for versatile applications
EFFORTLESS POWER SWAPS - Quick connect/disconnect design for seamless device changes
PLUG PLAY SIMPLICITY - Identical connector ends allow easy installation without confusion

The MUYI 2PCS Pack Quick Connect/Disconnect Plugs deliver a robust 175A current capacity and support 12-36V systems, designed for 2-4 gauge wires. Crafted from sturdy polycarbonate with protective rubber boots, these connectors ensure fast, reliable power connections for winches, trailers, and electric vehicles. Easy to install with identical ends for flexible wiring, they combine durability and convenience for professional-grade electrical setups.

Specifications

ASIN	B08KW2W9TW
Best Sellers Rank	#22,028 in Automotive ( See Top 100 in Automotive ) #10 in Towing Winch Quick Connect Systems
Brand Name	MUYI
Color	Red
Connector Gender	Male
Connector Type	Quick Disconnect
Contact Material	Copper
Customer Reviews	4.5 4.5 out of 5 stars (500)
Included Components	rubber cap
Insulation Material Type	Rubber
Item Dimensions L x W x H	3.11"L x 2.11"W x 1"H
Item Highlight	Wire Harness Connector for Recovery Winch Auto Car Trailer
Item Type Name	battery quick connect/disconnect plugs
Item Weight	300 g
Manufacturer	MUYI
Material Type	Polycarbonate
Maximum Voltage	36 volts
Model	SKU21085
Number of Items	2
Part Number	SKU21085#3
Specification Met	UL
Stud Size	2-4 Gauge
Terminal	Pin Terminal
Warranty Description	3 Month Warranty

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TrustScore 4.5 | 7,300+ reviews

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172 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Romania.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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