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JVC KVPG1

Speed pulse generator

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Item# 105KVPG1 offer details

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Our take on the JVC KVPG1

If your vehicle does not have a vehicle speed sensor (VSS) wire, you'll need to use the KVPG1 speed pulse generator with the KD-NX5000 navigation receiver to ensure proper operation of navigation features. Warranty: 1 year.

 

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Product Research

Product Research
What's in the box?

Download owner's manual

  • Sensor unit
  • Magnet
  • Power harness with 3-pin Molex plug on one end (has 20' switched power wire with 3A in-line fuse/39" black ground wire/and 39" pink signal wire)
  • Crimping wire splicer
  • 2 Self-adhesive Velcro strips
  • Instructions
  • Warranty sheet (US)
  • Warranty sheet (Canada)
  • Product Registration card/Questionnaire

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Features

Overview: For vehicles that don't have a Vehicle Speed Sensor (VSS) wire, the JVC KD-NX500 Navigation unit will not operate properly. This KV-PG1 Speed Pulse Generator is designed to detect the speed of the vehicle by the rotation of the tires, and send the speed pulse to the connected Navigation system.

Magnetizing The Tire: One of the vehicle's rear tires will need to be magnetized by using the supplied magnet. Half of the circumference of the tire tread is to be magnetized, while the other half is to be demagnetized. This is done by dividing the tire into 2 sections, and rubbing the tread with the magnetizing side of the magnet on one section and with the demagnetizing side of the magnet on the other section. When the vehicle is in motion and the tire rotates, the sensor will pick up the alternating magnetic fields coming from the tire as a signal it can send to the navigation unit as a speed pulse.

Sensor Installation: The sensor unit should be mounted in the trunk or near the rear wheel well of the vehicle. It should be kept away from the vehicle's battery, wiring, or electronic equipment such as changers, amplifiers, or speakers. The sensor unit picks up the magnetic field from the magnetized side of the tire as it rotates, creating a speed pulse.

Wiring: The KV-PG1 Speed Pulse Generator comes with a 3-wire harness that plugs into the speed sensor. The 20' fused power wire connects to the accessory terminal of the vehicle's fuse block, and the 39" ground wire is connected directly to the metallic body or chassis of the vehicle. The 39" pink speed pulse signal lead connects to the speed signal wire supplied with the KD-NX500 Navigation unit (both wires have mating bullet connectors).

 

Product Reviews

Review Summary

Average Customer Review:

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1-2 of 2 items Sort Results By: Date Reviewed | Rating | Helpfulness
 
5 out of 5

Shouldn't be necessary but it works as claimed

Written By John, San Diego, CA on Thursday, March 13, 2008
Crutchfield Customer Review (What's this?)
Crutchfield Customer Review

The reviewer purchased this item from us, verified by the email address on the order.

 
I installed this in my Chrysler PT Cruiser GT w/autostick which does not
have a documented VSS signal. It installed easily (requires its own 12v
and ground connections) -- read the manual on Crutchfield's site for
location restrictions. One benefit of this unit is that there's no need to drill
to through the firewall, which might be required to get access to the VSS
signal in some vehicles.

I am only annoyed that a Vehicle Speed Sensor Signal (VSS) connection is
required AT ALL given that the internal GPS in the JVC KD-NX5000 is very
sensitive and accurate with the antenna mounted on the roof. (It picks up
satellite signals quite well even in the open-walled
parking garage where I work). I wish JVC would have given me the option
of not spending $150 on this and instead putting up with signal loss (and
inaccurate calculations resulting therefrom) in
tunnels, under bridges, trees, etc. while the unit is navigating by "dead
reckoning." [It seems that all the
manufacturers have in-dash GPS units that require a VSS input, so
JVC is in good company.) I would assume that this unit -- which simply
generates a pulse signal based on the sensed "magnetic" tire rotation --
probably generates a signal good enough to satisfy other maker's in-dash
GPS units but the manual doesn't say either way.
10 out of 11 people found this helpful
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5 out of 5

Worked, Wish this wasnt so expensive

Written By Dave, Kansas on Wednesday, June 18, 2008
Crutchfield Customer Review (What's this?)
Crutchfield Customer Review

The reviewer purchased this item from us, verified by the email address on the order.

 
This product worked without any adjustments after the initial installation. It does come with a dual sided sticker so you can just stick it anywhere you need it. I am using this product with the JVC KD-NX5000 Hard Drive Navigation/DVD Receiver. I cannot say whether or not it would work with other brands (i.e. not JVC) but if I had to guess I'd think it would. Like the previous reviewer I wish this wasn't needed but was glad to finally have the installation over with and everything working once it was installed. I went ahead and took my tire off for the magnetize|de-magnetize step, just seemed easier to me. I wish the ground wire was just as long as the power wire but I was able to find a good ground spot near the rear tire without much trouble. Anyway, this product works well. I don't know how long the magnetization of the tire lasts but the instructions say to do it once a year, assuming you don't rotate your tires.
1 out of 1 people found this helpful
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1-2 of 2 items

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For a more in-depth review and enhanced detailed information on the JVC KVPG1, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_105KVPG1/JVC-KVPG1.html ).

JVC KVPG1