Speedometer Testing and adjustment

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89Suburban

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Paw Paw
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2007
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Chevrolet Tahoe LT
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I am going to find out once and for all how accurate my speedometer is, time to break out the GPS. I will test it later tonight when I am done at work and if I need to make any adjustments, the needle and be popped off and moved on the guage if necessary.
 

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89Suburban

Supporting Member
Supporting Member
Joined
Dec 7, 2010
Posts
24,546
Reaction score
5,864
Location
Southeast PA
First Name
Paw Paw
Truck Year
2007
Truck Model
Chevrolet Tahoe LT
Engine Size
5.3, 4WD
Yah, this is a handheld garmin unit. I bought it a few years ago when we got lost ATV'ing in upstate PA one time. Like $80 bucks at Sports Authority. Only thing that sucks is it doesn't show roads. Just borders and railroad tracks. So it just leaves a breadcrumb track on the screen you can save and mark waypoints on and stuff. Then I used it on the boat until I got a fishinder unit with GPS built into it so this wound up on a shelf in the garage for over a year. Dusted her off and she fired right up. I can't wait to test it tonight. Pics to come!
 

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