A simple test lamp shows how we get fuel level indication in most muscle cars. The needle position on the gauge comes from resistance to ground at the sending unit in your fuel tank.

We’ll address the charging system first. A common problem with older muscle cars occurs when the vehicle’s system voltage at idle drops to 11.5 volts (or lower) instead of the desired 14.5 volts.

Renal system: Smooth muscle helps to regulate the flow of urine from your bladder. Reproductive system: In the female reproductive system, smooth muscle is involved in contractions during pregnancy.

The pyloric sphincter is a band of smooth muscle that plays an important role in moving the contents of your stomach into your small intestine. It also prevents partially digested food and stomach ...