Use a professional crimper and electrical moisture sealant to make quick, solid connections in auto wiring.
By the DIY experts of The Family Handyman Magazine:April 2010
Strip the insulation
so only the bare wire
is inside the connector.
Then make a single
5/16-in. crimp on
each side of the butt
Cut a section of moisture sealant to cover the entire connector
and a 1/2-in. overlap on each end.
Then double it
over and squeeze it together with your fingertips.
Crimp-on wire connectors work well if they’re crimped
properly (a 5/16-in.-wide crimp) and sealed (usually with
heat-shrinkable tubing). But most cheap crimping tools only
make a 1/8-in. crimp, so you’d have to make four of them for
a simple butt connection.
Invest about $25 in a professional crimping tool (OTC No. 4497
from www.sjdiscounttools.com). Then buy a roll of electrical
moisture sealant (3M No. 06147; about $20 from amazon.com).
Then just follow the steps in Photos 1, 2 and 3.
Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.
Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.
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