The Dakota Digital RTX-88C-PU-X is a direct-fit RTX instrument system for 1988-91 Chevrolet and GMC C/K pickups, built for the final GMT400-era dashboard. It keeps a factory-style analog layout while adding LED backlighting and a configurable digital interface.
Specifications:
- Gauges: speedometer (0-120 MPH), tachometer (0-8,000 RPM), oil pressure (0-80 psi), water temperature (100-260°F), fuel level (E-F), voltmeter (9-17 VDC)
- Face color: black
- Display: high-definition TFT message center, Bluetooth mobile app configuration
- Calibration: auto-calibration available for speedometer and fuel level
- Part Number: RTX-88C-PU-X
Vehicle Applications:
- 1988 Chevrolet Pickup
- 1989 Chevrolet Pickup
- 1990 Chevrolet Pickup
- 1991 Chevrolet Pickup
- 1988 GMC Pickup
- 1989 GMC Pickup
- 1990 GMC Pickup
- 1991 GMC Pickup
FAQ
What years and makes does the RTX-88C-PU-X fit?
1988-1991 Chevrolet and GMC C/K pickups.
What gauges are included?
Speedometer, tachometer, oil pressure, water temperature, fuel level, and voltmeter, plus a high-definition TFT message center.
Does the system auto-calibrate?
Yes, auto-calibration is available for the speedometer and fuel level.
How is it configured?
Through the Dakota Digital Bluetooth mobile app.

