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Classic Instruments

Speedometer Signal Interface, 1970-72 CH/EC/MC, Classic Instruments

Vehicle Specific View fitment for 3 models
Part# CH29017
Mfg# SN74Z
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$142.99
List Price: $157.95
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Provides accuracy and aids calibration

Ideal for any vehicle

Get accurate readings from your speedometer with one of these optional tools available from Classic Instruments. The signal interface model converts the electronic signal from your transmission to an accurate speed-reading using either and 8,000 or 16,000ppm signal. Set your speedometer with a pushbutton and calibrate with the mile-marker method. Each interface model features a 12-volt power source, which helps eliminate interference. The “Sky-Drive” sending unit utilizes GPS technology to program and calibrate your speedometer. Mount this compact and lightweight unit anywhere and with the push of a button, you can set your speedometer up for miles per hour, kilometers per hour and more. Each unit comes with complete directions to provide a hassle-free installation experience. Satisfaction guaranteed.

Notes

  • This item is not eligible for any further discounts or promotional pricing.

Find Item In These Catalogs

  • 2024 Chevelle, El Camino 64-77 55
  • 2024 Monte Carlo 70-77 37
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1970–1972 Chevrolet Chevelle speedometer signal interface
1970–1972 Chevrolet El Camino speedometer signal interface
1970–1972 Chevrolet Monte Carlo - Speedometer Signal Interface
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Speedometer Signal Interface, 1970-72 CH/EC/MC, Classic Instruments
Classic Instruments Speedometer Signal Interface, 1970-72 CH/EC/MC, Classic Instruments