Description
The Problem: Speedometer Inaccuracies
We all know that wheel/tire size, engine swaps, and gearing changes result in a real problem…you’re heading down the road at 60mph and your speedo is reading 20-40% off, and you have a vehicle with an ECU that cannot easily be “flashed” to correct speedometer error or if it CAN be flashed it won’t correct a large enough range for your needs. So you have learned to just do the math in your head (Or maybe you’re thinking about spending $45-90 in parts every time you want to put in a new gear.
Maybe you’ve come across a speedometer correction device that sounds like it will fix your problem. But it has daunting installation instructions, makes you flip switches or turn screws and count turns to be sure you’re doing it right, or requires you to reprogram it every time you switch from winter to summer tires and back, or re-flash your ECU every time you’re going to have your car in to the dealer for servicing (which includes them using the diagnostics function).
The SpeedoHealer® by HealTech Electronics (exclusively imported by Poly Performance, Inc) is a clear and simple solution. For vehicles with 3-wire speed sensors (signal, power, ground) the Universal kit is simple and easy to install for average guys with basic skills, and takes about 45 minutes. Locate the speed signal and then run power and ground to this unit, and you’re done! (Install time varies)
Easy to install…easy to program…durable…reliable…and backed by outstanding support and warranty!
Specifications:
- Friendly User Interface: Easier to program, review and update the stored parameters. If you can set an alarm clock, you can program a SpeedoHealer in a few minutes.
- Extended calibration range: -99.9% to +9999.9% in steps of 0.1% Which means the signal can be adjusted from 1/1000 to x100, in increments of 0.001 This range is efficient even for the most radical custom applications.
- Dual-Bank Memory: Allows storing two independent calibration values and switching among them is possible by the press of a button. There is a clear, visual confirmation of the active bank and value in use. Perfect for areas where you have summer and winter tires of different sizes.
- Km/h conversion: Change from Km/h to MPH by the press of a button.
- High-speed CPU: 32-bit processing ensures high accuracy and immediate response to the input signal (no lag). Ultra low power consumption and auto stand-by.
- Robust design: Every unit is fully tested, guaranteed to work. All leads are protected against reverse voltage, short circuits and high energy transients.
- Wide operating range: +3V to +19V at -40C to +80C (-40F to +176F)
- Rugged and weather resistant: Epoxy sealed unit is highly water resistant to water ingress (although we recommend REMOVING CONTROL UNIT during steam cleaning of engine bay).
- Universal splicing kits: Universal kits require splicing at the speed sensor/transfer case with supplied sealed wire splices and wire taps, and work on ANY vehicle with a 3-wire speed sensor (Signal, Power, Ground). INSTALLS IN ABOUT 45 MINUTES
- Outstanding Warranty Support: Each unit comes with a 30 day money back guarantee, a 2-year unlimited warranty, and a lifetime limited warranty.
- Automotive-specific design: The automotive version SpeedoHealer has a new control box design for easier firewall mounting and plug weatherproofing, and has a standard 190cm (75″) cable. Longer cable lengths may be special ordered.
SpeedoHealer® SHV4A-U01 Fitment Guide:
(These vehicle are known to have 3-wire speed sensor)
Jeep:
- Wranger YJ ’91-’97
- Wrangler TJ ’97 (’98-up use the J01 kit)
- Cherokee XJ ’91-’97 (’98-’01 use the J01 kit)
- Comanche MJ ’92
- Grand Cherokee ZJ – 07/93-’97
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