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Old 01-10-2011, 01:08 PM   #4
fixit-p
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Join Date: Dec 2008
Location: Yay Area CA
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Re: 12 volt relay question

The taillights will only draw about 1 amp total for ~ 1.5% voltage drop and the brake lights are wired independently so 1 bulb will draw ~ 2.1 amps for ~ a 3% voltage drop. Imo both are within acceptable range and not worth running a heavy gauge wire to supply the 3 relays at the back of the vehicle.
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2005 Silverado 2500HD Crew Cab


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