Can these be used in automotive applications?

I have these in my cart to order for a Viper DS4+ security & remote start system. They will work for this. Now, for other automotive work 12v shouldn’t make a difference. Just try not to exceed 80% load limit for the AWG. Amperage x voltage = wattage. Wattage / voltage = amperage. Wattage / amperage = voltage. Find a chart that shows maximum wattage or amperage for AWG then multiply it by .8 to find the safe load (20AWG is 132w max on 12v... 132w x 0.8 = 105w). find the amperage or wattage on back of device the wiring is running to and make sure it’s a like wattage. There are other complexities that can factor in but in reality this is all you need to know for the question. Hope this helps anyone.

Is this the same kind of jst 2 pins that are used on motherboards?

I believe so. The same or like the others used in mother Board application that are out ther.

Are these waterproof?

No, not designed to be water proof.

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10 Pairs 1.25 mm JST 2 Pin Micro Electrical Male and Female Connector Plug with 80mm Wire Cables

10 Pairs 1.25 mm JST 2 Pin Micro Electrical Male and Female Connector Plug with 80mm Wire Cables

Product ID: 266487152

Details

Brand
LYJEE
Connector type
JST 1.25mm
Item weight
0.01 Kilograms
Material
Copper (PVC)
Recommended uses for product
electrical

⚡Rated 30V, 80℃ heat resistance

📏8.5cm cable length per pair

🔌1.25mm JST 2-Pin precision fit

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Description

⚡ Connect Smarter, Build Faster, Stay Ahead!

VERSATILE POWERHOUSE - Ideal for mini RC helicopters, LED strips, robotics, automotive, and more—connect with confidence.
PLUG PLAY SIMPLICITY - Male and female pairs designed for effortless installation, minimizing downtime and maximizing productivity.
DURABILITY MEETS SAFETY - Tinned copper wires with UL and ROHS certifications ensure reliable conductivity and flame resistance.
READY TO USE 8 5 CM CABLES - Pre-attached wires save you time and hassle—perfect for rapid prototyping and quick fixes.
MICRO PRECISION MACRO IMPACT - Ultra-compact 1.25mm pitch connectors engineered for seamless integration in your high-tech projects.

This set includes 10 pairs of 1.25mm JST 2-pin male and female connectors with 8.5cm tinned copper wires, rated for 30V and 80℃. Designed for precision and durability, these connectors meet UL and ROHS standards, making them perfect for electronics, robotics, automotive, and lighting applications where reliable, compact connections are essential.

Specifications

ASIN	B07FP2FCYC
Best Sellers Rank	#151,407 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #160 in Electrical Clamp Connectors #3,961 in Electrical Cable & Wire Management
Brand Name	LYJEE
Cable Type	custom
Connector Type	JST 1.25mm 2-Pin
Customer Reviews	4.4 4.4 out of 5 stars (814)
Item Weight	0.01 Kilograms
Manufacturer	letool international ltd
Material Type	Copper Polyvinyl Chloride (PVC)
Model	LE0027
Part Number	LE0027
Recommended Uses For Product	electrical
UPC	675663221217
Unit Count	10.0 Count
Wire Diameter	1.25 Millimeters

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