Crane Cams issues this new 24" long Ground Strap that will help with starting and charging your car. Ever wonder why your battery isn't charging? Your alternator is attached to the engine and your negative terminal is attached to car body. Ground between engine and car is suspect. This cures that problem.
high quality, tin-plated, copper braid ribbon cable is a full 24”.
It’s a simple fact, you almost can’t have enough grounds in the car to ensure trouble-free operation.
I personally, have a lot of grounds!

From: Crane Cams Releases Automotive Ground Strap For Surefire Ignition - Chevy Hardcore