01/23/2020
A lot of calls we receive regarding LS swaps are ground related issues. Proper electrical system grounding is one of the most misunderstood aspects of the automotive electrical system. However, a properly grounded electrical system is vital to the performance of your vehicle. Without a good ground, your ignition system will underperform, you’ll experience random issues with charging, and you can easily end up stranded.
1. Always use a heavy ground cable and connect one end to the negative battery terminal, and the other end to the starter motor or engine block as close to the starter as possible. This will insure the correct ground path to the starter motor.
Ground the engine block to the frame with a heavy ground wire or cable, making sure that both connections are clean, tight, and metal to metal.
Next, ground the engine block to the vehicle body with a heavy ground wire or cable making sure that both connections are clean, tight and metal to metal.
