Technical & Installation Support
General Documents | Click Here for FAQs
- Classic Dash General Installation Instructions
- Classic Dash Universal Electric Gauge Wiring Harness
- Classic Dash Universal (Elite Series) Gauge Wiring Harness
- Classic Dash Universal Mechanical Gauge Wiring Harness
- Classic Dash Universal Wiring Harness Diagram
- Electric Speedometer Calibration Instructions
- Ford Electric Speedometer Sending Unit Instructions
- Ford Mechanical Speedometer Cable Adapter Instructions
- GM / Mopar Electric Speedometer Sending Unit Instructions
- GM / Mopar Mechanical Speedometer Cable Adapter Instructions
- GPS Speedometer Module Instructions
- Holley 12.3″ Installation (1969 Camaro / 1969-76 Nova)
- LED Kit (turn signal, parking brake and high beam Indicators)
- 1968 Pontiac GTO / LeMans Installation Instructions
- 1968-70 Mopar B-Body Installation Instructions
- 1970-72 Pontiac GTO / LeMans Installation Instructions
- 1987-93 Ford Mustang Installation Instructions
- 1990-92 Chevy Camaro Installation Instructions
- 1994-97 Dodge Ram Installation Instructions
- 1994-04 Ford Mustang Installation Instructions
- 1995-98 Chevy / GMC CK Truck Installation Instructions
- 1996-00 Honda Civic Installation Instructions
- 1998-04 Chevy S10 Truck Installation Instructions
- 2010-15 Chevy Camaro Installation Instructions
Tools
What’s Needed For A Dash Installation:
Before embarking on the installation, we recommend
rounding up the following tools and supplies:
- Side cutter or “dykes” pliers
- Soldering iron with solder (or “red” butt connectors)
- Electrical/crimping pliers
- Multi-meter (voltage tester)
- Drill motor
- 5/32″ drill bit
- Crazy glue
- Center punch or ice pick
- Tape measure
- Screwdrivers (Phillips & blade type)
- Razor blade or box cutter
- Hand files (fine and medium)
- Open end wrench or socket set (3/8″ through 9/16″)
- Shrink wrap with heating device or electrical tape for connections

Installation Support
Dash, Wiring & Gauge Installation Support
Below find dash installation guides, wiring diagrams and harness instructions, and gauge information for your Classic Dash product. Click here for our FAQs.
Dash Installation Guides
- Classic Dash General Installation Instructions
- HOLLEY 6.86″ Installation Instructions
- HOLLEY 12.3″ Bracket Instructions
- HOLLEY 12.3″ Installation Instructions
- 1968 Pontiac GTO / LeMans Installation Instructions
- 1968-70 Mopar B-Body Installation Instructions
- 1970-72 Pontiac GTO / LeMans Installation Instructions
- 1987-93 Ford Mustang Installation Instructions
- 1990-92 Chevy Camaro Installation Instructions
- 1994-97 Dodge Ram Installation Instructions
- 1994-04 Ford Mustang Installation Instructions
- 1995-98 Chevy / GMC CK Truck Installation Instructions
- 1996-00 Honda Civic Installation Instructions
- 1998-04 Chevy S10 Truck Installation Instructions
- 2010-15 Chevy Camaro (Gen 5) Installation Instructions
Wiring Guides
Sending Unit Guides
- GPS Speedometer Module Instructions
- Electric Speedometer Calibration Instructions
- Ford Electric Speedometer Sending Unit Instructions
- Ford Mechanical Speedometer Cable Adapter Instructions
- GM / Mopar Electric Speedometer Sending Unit Instructions
- GM / Mopar Mechanical Speedometer Cable Adapter Instructions