1973 Chevy K10 Headlight Wiring Harnesses

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

A guide on how to install a universal wiring harness in a car. Read tips on properly wiring taillights, headlights, gauges, ignition switch, steering column and more.

Check out this headlight wiring and taillight wiring diagram.

From a mild leveling to slammed and “in the weeds” there are several options to lowering a C10. We discuss the options in our ’67-’72 C10 lowering guide.

Whether you are looking to change the look of your truck, get rid of your tired rusty springs, or upgrade the ride quality of your truck, Speedway Motors has you covered with stock height and lowered spring options.

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.

How to lower a C10 Chevy truck with lowering coil springs and install a front end rebuild kit. Upgrade your broken, rusty, or saggy suspension with our guide.