Today, we're going off topic while I perform a repair on the perplexing dual terminal battery battery cable setup GM decided to install on the late GMT-400 trucks.

These battery cables are notorious for backing off the battery post and losing connectivity, sometimes even while driving.

Watch as I perform a workaround to eliminate the original factory setup in order to make a more secure connection.

#howtoautomotive #gmt400 #vettesource