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International Automotive Technicians Network
Re: GM Upfitter Electrical Best Practices Manual updated
Posted to Technical Tips Forum on 6/1/2015

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Not all "butt splices" or repair techniques are created equal.

The GM/Delphi crimp-and-seal splices have proven very reliable when crimped and heat-sealed properly using the recommended tools and procedures.

Instructions are on page 2 of the following:

http://www.acdelcotechconnect.com/pdf/imtn_V11I404.pdf

In some instances, GM is now selling terminated leads as an alternative to crimping new terminals on:

http://sandyblogs.com/techlink/?p=4611

http://sandyblogs.com/techlink/?p=1960

These are terminals pre-crimped on a length of wire, and are designed to be spliced into an existing harness using a crimp-and-seal splice.

Michael Joachim
Owner
Mike Joachim
Pelham, Alabama, USA