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Old 08-09-2020, 01:06 PM   #5
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Join Date: Jun 2007
Location: USA, East coast
Posts: 3,364
Re: Wire butt connecters.

All the factory connectors are crimped on new vehicles and our 50 year old vehicles. Soldering has a potential for the conductor to break right where the solder ends if there is any vibration. Properly crimped connections will last a very long time. Adding the heat shrink adds a bit of strain relief.

40+ years electrician working in Nuclear, power plants, production facilities, and hospitals. Use whatever makes you happy.
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