The OE-CONNECT 12 is designed to integrate seamlessly with GM 12-pin factory plugs used in many 1970s–early 1980s vehicles. It simplifies gauge installation by allowing a clean connection to your original harness while supporting modern Intellitronix digital clusters.
 
Key Features:
Compatible with select GM 12-pin connectors.
Use open pin locations for additional gauge wiring.
Recommended to replace old oil, temp, and fuel wires for accurate readings.
Supports both snap-in and mechanical connection types (cable tie included).
Includes instructions for checking power, ground, and signal integrity.
Optional alternator exciter jumper setup and ground trigger conversion guide.
 
Ensure all pins align correctly before installation. Clean and grease connections for best performance.
 
Vehicle Fitment:
67-72 Chevy/GMC Truck
70-72 Malibu/Chevelle/Monte Carlo/El Camino
(With Gauges)
70-81 Camaro
78-82 Corvette
70-72 Ford Truck (without gauges)
71-73 Mustang (with tach and console)
 
Other Vehicles not covered under these instructions.
70-72 Pontiac Firebird
70 Nova
70-73 Torino/Ranchero
68-72 GTO
69-72 Grand Prix
87-91 Jeep Wrangler YJ
67-68 Firebird
69 Firebird(without gauges)