2003 Chevy Astro Electrical, Lighting and Wiring Parts

Check out this headlight wiring and taillight wiring diagram.

How to maintain coolant temperature for a Big Block Chevy engine. Installation instructions for a double pass radiator and electric fan in a 1954 Chevy Bel Air.

Watch our Steering Column Wiring Guide video for useful tips on wiring your new steering column for your vehicle. Ididit takes you through the wiring process.

Are your gauges reading erratically or does your car run out of power at high rpm? It may be the cause of a bad ground. Speedway Motors can show you how to diagnose and fix the problem in no time at all!

Learn how to equip your car with A/C by installing the Vintage Air GenIV SureFit Complete Kit. Jeff installs this kit in his 1967 Chevelle while making some vent modifications to enhance the look and direct air better.

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

Learn how to install 1970-73 RS Camaro reproduction parking lamps and how to overcome some obstacles during the installation.

Product master Jeff K. doesn't like to hack up the dash in his projects just to hang a modern stereo. So instead, he hides them!

Jeff's 1967 Chevelle project undergoes prep for a Dakota Digital Dash System. Keep a factory style dash with this wide sweep speedometer. Learn how to mount and wire modules for the gauge system, gear shift indicator, GPS speedo sender and auxiliary.

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!