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Old 03-11-2015, 09:42 PM   #7 (permalink)
JRMichler
Master EcoModder
 
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Join Date: Feb 2011
Location: Phillips, WI
Posts: 1,000

Nameless - '06 GMC Canyon
90 day: 37.45 mpg (US)

22 Maverick - '22 Ford Maverick XL
90 day: 46.92 mpg (US)
Thanks: 188
Thanked 453 Times in 279 Posts
I found an LED brake light in the auto section of Walmart. Then I ran a pair of wires to the hot side of one of the rear brake lights and ground.

I ran four wires into the topper. Ground, brake light, 12 volt straight from the battery, and 12 volt switched (on when the ignition is on). I put a four prong SAE connector in the box so I can unplug the topper if I ever take it off. The SAE connector is the flat connector used to connect trailer wiring. Any auto supply store has them.
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06 Canyon: The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.

22 Maverick: Summer 2022 burned 62.74 gallons in 3145.1 miles for 50.1 MPG.
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