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Ask Juan Crespo Your Own Question
Juan Crespo
Juan Crespo, ASE Certified Technician
Category: Chevy
Satisfied Customers: 1524
Experience:  A.S.E. Master Technician, Advanced Level, Emissions - Asian, Domestic, & European
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I have an 07 Chevy Silverado I put in LED tail light bulbs

Customer Question

I have an 07 Chevy Silverado I put in LED tail light bulbs and some kind of resister part store said this would stop the blinkers from flashing real fast I read on your page there is no flasher is there a fix for this or should I just go back to the normal bulbs thanks
Submitted: 1 year ago.
Category: Chevy
Expert:  Juan Crespo replied 1 year ago.

You're right about your truck not having an old-style flasher, the body control module (BCM) handles that task now. The turn signals will work correctly as long as the BCM detects the same electrical loads as it did with the original bulbs. An LED bulb represents a much smaller electrical load than the original incandescent bulb, so a load resistor must be added to the circuit to match the original electrical load the BCM will recognize.

In conclusion, one LED bulb plus one resistor equal one original incandescent bulb.

Please let me know if you're doing this yourself and need help with the electrical installation.

Best Regards.