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Old 09-22-2014, 10:19 PM   #1 (permalink)
JRMichler
Master EcoModder
 
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Join Date: Feb 2011
Location: Phillips, WI
Posts: 1,017

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

22 Maverick - '22 Ford Maverick XL
90 day: 48.08 mpg (US)
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LED running lights at Walmart

I was in Walmart the other day and saw that they had LED turn and tail light bulbs. So I bought a pair of 3157 bulbs in a blister pack for $16.00. The factory web site says "Built-in can bus technology eliminates bulb out / error messages".

If I changed all the turn and running lights in my truck to LED, I would reduce the total power draw from 20 amps to about 16 amps.

They plugged right into the two right front positions. The total light level was a lot less than the standard incandescent bulbs. The difference was so great that I did not bother to take a photo. I just took the LED's out.

The low current draw made the flasher think that a bulb was out, so the flash rate increased. I cannot change the flasher because it is software in the BCM.

Do not buy the Walmart LED automotive replacement bulbs if you want to be seen at night.

__________________
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. Winter 2023-2024 - 2416.7 miles, 58.66 gallons for 41 MPG.
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